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Logitech MX Ergo Wireless Trackball Mouse – Adjustable Ergonomic Design, control and Move Text/Images/Files Between 2 Windows and Apple Mac Computers (Bluetooth or USB), Rechargeable, Graphite
Logitech MX Ergo Wireless Trackball Mouse – Adjustable Ergonomic Design, control and Move Text/Images/Files Between 2 Windows and Apple Mac Computers (Bluetooth or USB), Rechargeable, Graphite
Logitech MX Ergo Wireless Trackball Mouse – Adjustable Ergonomic Design, control and Move Text/Images/Files Between 2 Windows and Apple Mac Computers (Bluetooth or USB), Rechargeable, Graphite
Logitech MX Ergo Wireless Trackball Mouse – Adjustable Ergonomic Design, control and Move Text/Images/Files Between 2 Windows and Apple Mac Computers (Bluetooth or USB), Rechargeable, Graphite
Logitech MX Ergo Wireless Trackball Mouse – Adjustable Ergonomic Design, control and Move Text/Images/Files Between 2 Windows and Apple Mac Computers (Bluetooth or USB), Rechargeable, Graphite
Logitech MX Ergo Wireless Trackball Mouse – Adjustable Ergonomic Design, control and Move Text/Images/Files Between 2 Windows and Apple Mac Computers (Bluetooth or USB), Rechargeable, Graphite
Logitech MX Ergo Wireless Trackball Mouse – Adjustable Ergonomic Design, control and Move Text/Images/Files Between 2 Windows and Apple Mac Computers (Bluetooth or USB), Rechargeable, Graphite
Logitech MX Ergo Wireless Trackball Mouse – Adjustable Ergonomic Design, control and Move Text/Images/Files Between 2 Windows and Apple Mac Computers (Bluetooth or USB), Rechargeable, Graphite
Logitech MX Ergo Wireless Trackball Mouse – Adjustable Ergonomic Design, control and Move Text/Images/Files Between 2 Windows and Apple Mac Computers (Bluetooth or USB), Rechargeable, Graphite
Logitech MX Ergo Wireless Trackball Mouse – Adjustable Ergonomic Design, control and Move Text/Images/Files Between 2 Windows and Apple Mac Computers (Bluetooth or USB), Rechargeable, Graphite
Logitech MX Ergo Wireless Trackball Mouse – Adjustable Ergonomic Design, control and Move Text/Images/Files Between 2 Windows and Apple Mac Computers (Bluetooth or USB), Rechargeable, Graphite
Logitech MX Ergo Wireless Trackball Mouse – Adjustable Ergonomic Design, control and Move Text/Images/Files Between 2 Windows and Apple Mac Computers (Bluetooth or USB), Rechargeable, Graphite
Logitech MX Ergo Wireless Trackball Mouse – Adjustable Ergonomic Design, control and Move Text/Images/Files Between 2 Windows and Apple Mac Computers (Bluetooth or USB), Rechargeable, Graphite
Logitech MX Ergo Wireless Trackball Mouse – Adjustable Ergonomic Design, control and Move Text/Images/Files Between 2 Windows and Apple Mac Computers (Bluetooth or USB), Rechargeable, Graphite

Logitech MX Ergo Wireless Trackball Mouse – Adjustable Ergonomic Design, control and Move Text/Images/Files Between 2 Windows and Apple Mac Computers (Bluetooth or USB), Rechargeable, Graphite

Logitech MX Ergo Wireless Trackball Mouse – Adjustable Ergonomic Design, control and Move Text/Images/Files Between 2 Windows and Apple Mac Computers (Bluetooth or USB), Rechargeable, Graphite
Logitech MX Ergo Wireless Trackball Mouse – Adjustable Ergonomic Design, control and Move Text/Images/Files Between 2 Windows and Apple Mac Computers (Bluetooth or USB), Rechargeable, Graphite
Logitech MX Ergo Wireless Trackball Mouse – Adjustable Ergonomic Design, control and Move Text/Images/Files Between 2 Windows and Apple Mac Computers (Bluetooth or USB), Rechargeable, Graphite
Logitech MX Ergo Wireless Trackball Mouse – Adjustable Ergonomic Design, control and Move Text/Images/Files Between 2 Windows and Apple Mac Computers (Bluetooth or USB), Rechargeable, Graphite
Logitech MX Ergo Wireless Trackball Mouse – Adjustable Ergonomic Design, control and Move Text/Images/Files Between 2 Windows and Apple Mac Computers (Bluetooth or USB), Rechargeable, Graphite
Logitech MX Ergo Wireless Trackball Mouse – Adjustable Ergonomic Design, control and Move Text/Images/Files Between 2 Windows and Apple Mac Computers (Bluetooth or USB), Rechargeable, Graphite
Logitech MX Ergo Wireless Trackball Mouse – Adjustable Ergonomic Design, control and Move Text/Images/Files Between 2 Windows and Apple Mac Computers (Bluetooth or USB), Rechargeable, Graphite
Logitech MX Ergo Wireless Trackball Mouse – Adjustable Ergonomic Design, control and Move Text/Images/Files Between 2 Windows and Apple Mac Computers (Bluetooth or USB), Rechargeable, Graphite
Logitech MX Ergo Wireless Trackball Mouse – Adjustable Ergonomic Design, control and Move Text/Images/Files Between 2 Windows and Apple Mac Computers (Bluetooth or USB), Rechargeable, Graphite
Logitech MX Ergo Wireless Trackball Mouse – Adjustable Ergonomic Design, control and Move Text/Images/Files Between 2 Windows and Apple Mac Computers (Bluetooth or USB), Rechargeable, Graphite
Logitech MX Ergo Wireless Trackball Mouse – Adjustable Ergonomic Design, control and Move Text/Images/Files Between 2 Windows and Apple Mac Computers (Bluetooth or USB), Rechargeable, Graphite
Logitech MX Ergo Wireless Trackball Mouse – Adjustable Ergonomic Design, control and Move Text/Images/Files Between 2 Windows and Apple Mac Computers (Bluetooth or USB), Rechargeable, Graphite
Logitech MX Ergo Wireless Trackball Mouse – Adjustable Ergonomic Design, control and Move Text/Images/Files Between 2 Windows and Apple Mac Computers (Bluetooth or USB), Rechargeable, Graphite
Logitech MX Ergo Wireless Trackball Mouse – Adjustable Ergonomic Design, control and Move Text/Images/Files Between 2 Windows and Apple Mac Computers (Bluetooth or USB), Rechargeable, Graphite
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Features

  • Ergonomic sculpted design - unique adjustable hinge allows you to customize the trackball angle from 0 to 20 degrees for a more natural, comfortable hand position, and reduced muscle strain
  • Cross-computer control- game-changing capacity to navigate seamlessly on 2 computers, and copy-paste text, images, and files from one to the other using Logitech flow
  • Dual connectivity- use with up to 3 Windows or Mac computers via included Unifying receiver or Bluetooth smart wireless technology
  • Rechargeable battery- up to 70 days of power on a single charge; Nominal value : 380 dpi
  • Precision scroll-wheel - tilt and middle click wheel allows for precise scrolling and other Convenient controls such as horizontal scrolling

Description

Mx Ergo is a new standard of comfort and precision. Logitech most advanced trackball for trackball enthusiasts and consumers searching for alternatives to mice and touchpads. Delivers less 20% muscular strain compared to a regular mouse. Mx Ergo features a unique adjustable hinge for personalized comfort and the latest tracking, scrolling and power management technology. Logitech Flow enables effortless multi-computer control. System Requirements: Required: Available USB portWindows 10 or later Windows 8 Windows 7macOS X 10.12 or later|Required: Bluetooth Windows 8 or latermacOSX 10.12 or later


Wireless Type 2.4 GHz Radio Frequency


Brand Name Logitech


Series Logitech MX ERGO


Item model number 910-005177


Operating System Windows 7, Windows 8, Windows 10 or later macOS 10.13 or later, Linux


Item Weight 5.8 ounces


Product Dimensions 3.9 x 5.2 x 2 inches


Item Dimensions L x W x H 3.92 x 5.21 x 2.02 inches


Color black


Rear Webcam Resolution 4000 MP


Batteries 1 Lithium Polymer batteries required. (included)


ASIN B0753P1GTS


Customer Reviews 4.4 out of 5 stars 2,000 ratings 4.4 out of 5 stars


Best Sellers Rank #28 in Computer Mice


Shipping Weight 1 pounds (View shipping rates and policies)


Date First Available August 23, 2017


Shipping

This product includes free shipping to all US addresses.


Delivery

Unless otherwise stated above, most products arrive within 2-3 business days. Larger items may take 6-9 business days. Tracking information will be automatically provided as soon as your order ships.


View our full shipping policy here.

Returns

This product can be returned within 30 days of delivery for a full refund. Please visit our returns center to begin a return.

View our full returns policy here.

Features

  • Ergonomic sculpted design - unique adjustable hinge allows you to customize the trackball angle from 0 to 20 degrees for a more natural, comfortable hand position, and reduced muscle strain
  • Cross-computer control- game-changing capacity to navigate seamlessly on 2 computers, and copy-paste text, images, and files from one to the other using Logitech flow
  • Dual connectivity- use with up to 3 Windows or Mac computers via included Unifying receiver or Bluetooth smart wireless technology
  • Rechargeable battery- up to 70 days of power on a single charge; Nominal value : 380 dpi
  • Precision scroll-wheel - tilt and middle click wheel allows for precise scrolling and other Convenient controls such as horizontal scrolling

Description

Mx Ergo is a new standard of comfort and precision. Logitech most advanced trackball for trackball enthusiasts and consumers searching for alternatives to mice and touchpads. Delivers less 20% muscular strain compared to a regular mouse. Mx Ergo features a unique adjustable hinge for personalized comfort and the latest tracking, scrolling and power management technology. Logitech Flow enables effortless multi-computer control. System Requirements: Required: Available USB portWindows 10 or later Windows 8 Windows 7macOS X 10.12 or later|Required: Bluetooth Windows 8 or latermacOSX 10.12 or later


Wireless Type 2.4 GHz Radio Frequency


Brand Name Logitech


Series Logitech MX ERGO


Item model number 910-005177


Operating System Windows 7, Windows 8, Windows 10 or later macOS 10.13 or later, Linux


Item Weight 5.8 ounces


Product Dimensions 3.9 x 5.2 x 2 inches


Item Dimensions L x W x H 3.92 x 5.21 x 2.02 inches


Color black


Rear Webcam Resolution 4000 MP


Batteries 1 Lithium Polymer batteries required. (included)


ASIN B0753P1GTS


Customer Reviews 4.4 out of 5 stars 2,000 ratings 4.4 out of 5 stars


Best Sellers Rank #28 in Computer Mice


Shipping Weight 1 pounds (View shipping rates and policies)


Date First Available August 23, 2017


Shipping

This product includes free shipping to all US addresses.


Delivery

Unless otherwise stated above, most products arrive within 2-3 business days. Larger items may take 6-9 business days. Tracking information will be automatically provided as soon as your order ships.


View our full shipping policy here.

Returns

This product can be returned within 30 days of delivery for a full refund. Please visit our returns center to begin a return.

View our full returns policy here.

Features

  • Ergonomic sculpted design - unique adjustable hinge allows you to customize the trackball angle from 0 to 20 degrees for a more natural, comfortable hand position, and reduced muscle strain
  • Cross-computer control- game-changing capacity to navigate seamlessly on 2 computers, and copy-paste text, images, and files from one to the other using Logitech flow
  • Dual connectivity- use with up to 3 Windows or Mac computers via included Unifying receiver or Bluetooth smart wireless technology
  • Rechargeable battery- up to 70 days of power on a single charge; Nominal value : 380 dpi
  • Precision scroll-wheel - tilt and middle click wheel allows for precise scrolling and other Convenient controls such as horizontal scrolling

Description

Mx Ergo is a new standard of comfort and precision. Logitech most advanced trackball for trackball enthusiasts and consumers searching for alternatives to mice and touchpads. Delivers less 20% muscular strain compared to a regular mouse. Mx Ergo features a unique adjustable hinge for personalized comfort and the latest tracking, scrolling and power management technology. Logitech Flow enables effortless multi-computer control. System Requirements: Required: Available USB portWindows 10 or later Windows 8 Windows 7macOS X 10.12 or later|Required: Bluetooth Windows 8 or latermacOSX 10.12 or later


Wireless Type 2.4 GHz Radio Frequency


Brand Name Logitech


Series Logitech MX ERGO


Item model number 910-005177


Operating System Windows 7, Windows 8, Windows 10 or later macOS 10.13 or later, Linux


Item Weight 5.8 ounces


Product Dimensions 3.9 x 5.2 x 2 inches


Item Dimensions L x W x H 3.92 x 5.21 x 2.02 inches


Color black


Rear Webcam Resolution 4000 MP


Batteries 1 Lithium Polymer batteries required. (included)


ASIN B0753P1GTS


Customer Reviews 4.4 out of 5 stars 2,000 ratings 4.4 out of 5 stars


Best Sellers Rank #28 in Computer Mice


Shipping Weight 1 pounds (View shipping rates and policies)


Date First Available August 23, 2017


abunda_amazon_reviews I've been waiting for this device for well over a decade - a Bluetooth version of Logitech's fabled TrackMan Marble Wheel. And this is, indeed, a really nice trackball for use with new laptops that don't have USB-A ports, such as the MacBook/MacBook Pro. I'm torn whether to give it four stars or five - it's borderline, and if I could give 4.5, I would. I decided to round up. (And I've gone back and forth several times while writing this review.) The trackball functionality is exactly as you'd expect if you used the M570, with a few extra features - tiltable scrollwheel, the 'precision' button to allow fine control, and the ability to switch between two devices. The AA battery has been replaced by li-poly and recharges via micro-USB. The form factor is where things get a little weird. The bottom of the trackball has a 20-degree bend in the middle, and magnets on either side. It ships with a 2mm-thick metal plate that can magnetically attach to either side to cause the tilt. The result feels much more stable than you'd expect, and while you can deliberately tilt it, it's not generally going to accidentally tilt when you aren't expecting it. I find the tilt feels really good, actually - I hadn't expected it to. The downside of this is that it increases the weight by over 1/3, to over 9 ounces. The device is overall about 4 ounces heavier than the M570. You can use it without the metal plate, but it feels extremely wobbly in that state, and will fall to 'flat' rather than tilted unless propped up. The only other issue is that there's no spot inside to hold the Unifying Receiver. Not an issue for me because I want this for Bluetooth, but may be an issue for someone. I purchased the MX Ergo Plus direct from Logitech - the difference is that the Plus ships with an additional plastic wedge that can add another 10 degrees of tilt. If that sounds useful to you, my understanding is that the Plus is exclusive to Logitech and Best Buy.;;Reviewed in the United States on September 14, 2017;;5.0 out of 5 stars;;The Bluetooth trackball I'd been waiting for;;Brad Jones;;/gp/customer-reviews/R1AWTLM3NBSX2G/ref=cm_cr_dp_d_rvw_ttl?ie=UTF8&ASIN=B0753P1GTS;;;As an owner of 4 Logitech M570's (one for each laptop / desktop) I was really looking forward to the upgrade. Unfortunately, this doesn't feel like an upgrade at all. It requires new software (Replacing SetPoint with Logitech Options) which does NOT support the old "Pointer Acceleration" feature. Compared to the old M570 this is 4x the price with reduced functionality. Until they update the software I would NOT recommend it - especially if you are using a large multi-monitor setup. Other minor annoyances: 1) The trackball actually makes noise where the M570's are silent 2) Micro-USB connection where the rest of the world has moved to USB C 3) Far heavier than the M570 and a flatter profile.;;Reviewed in the United States on October 11, 2017;;3.0 out of 5 stars;;Not an upgrade from M570 for certain use cases;;Brian D. Chapin;;/gp/customer-reviews/R12N0Q1ME2N9W7/ref=cm_cr_dp_d_rvw_ttl?ie=UTF8&ASIN=B0753P1GTS;;;I've been using the Logitech M570 exclusively for as long as I can remember. Currently I have 5 or 6 of the M570s lying around my house connected to various computers. I've convinced my wife, co-workers and a few friends to switch to the M570. The M570 had one major drawback--no bluetooth connectivity. Like a lot of M570 fans, I was elated to read a couple months ago that Logitech was releasing a bluetooth version of this popular trackball. And then I actually used one. For me, the Ergo is uncomfortable to use. It is the first time using a Logitech trackball for 20 years that I felt any discomfort in my hand or wrist. This will likely vary by individual, but there are four flaws to the device that have led me to abandon it: 1. The metal riser on the MX Ergo increases the height of the device which results in awkward hand/thumb placement as compared to the M570. 2. The extra weight and the textured grip nature of the MX Ergo means that it has less "give" when you move your hand onto it. Rather than my hand gliding over the plastic of the M570 (especially when I am reaching to move the cursor without looking at the mouse directly *or* if I'm readjusting my hand placement), the MX Ergo resists the movement of my hand. The result is something that I feel in my wrists after a few hours of use, and not in a good way. 3. The ball does not seem to roll as freely in the MX Ergo as it does in the M570. I used this for about a week before giving up on it. Four weeks later, I could still feel faint aching in my trapeziometacarpal joint. 4. As anyone who has owned an M570 knows, the ball needs to be removed periodically as dust, etc. will accumulate in the area that holds the ball. This is much more difficult to do in the MX Ergo. There is a hole underneath the ball, but it is not nearly big enough to fit a finger through. You'll need some sort of device small and strong enough to dislodge the ball, but also avoid scratching it. Really dumb design decision on Logitech's part. I have to wonder how much ergonomic testing of this they did, or if this is a quality control issue with these early units. It's a huge step backward from the M570 IMO.;;Reviewed in the United States on November 1, 2017;;1.0 out of 5 stars;;Extremely Disappointing;;Brian;;/gp/customer-reviews/R3J0LVPWH2ZL5B/ref=cm_cr_dp_d_rvw_ttl?ie=UTF8&ASIN=B0753P1GTS

Shipping

This product includes free shipping to all US addresses.


Delivery

Orders placed now will arrive in 6-9 business days. Tracking information will be automatically provided as soon as your order ships.


View our full shipping policy here.

Returns

This product can be returned within 30 days of delivery for a full refund. Please visit our returns center to begin a return.

View our full returns policy here.

Top Amazon Reviews


5.0 out of 5 stars
By Brad Jones - Reviewed in the United States on September 14, 2017
The Bluetooth trackball I'd been waiting for
I've been waiting for this device for well over a decade - a Bluetooth version of Logitech's fabled TrackMan Marble Wheel. And this is, indeed, a really nice trackball for use with new laptops that don't have USB-A ports, such as the MacBook/MacBook Pro. I'm torn whether to give it four stars or five - it's borderline, and if I could give 4.5, I would. I decided to round up. (And I've gone back and forth several times while writing this review.) The trackball functionality is exactly as you'd expect if you used the M570, with a few extra features - tiltable scrollwheel, the 'precision' button to allow fine control, and the ability to switch between two devices. The AA battery has been replaced by li-poly and recharges via micro-USB. The form factor is where things get a little weird. The bottom of the trackball has a 20-degree bend in the middle, and magnets on either side. It ships with a 2mm-thick metal plate that can magnetically attach to either side to cause the tilt. The result feels much more stable than you'd expect, and while you can deliberately tilt it, it's not generally going to accidentally tilt when you aren't expecting it. I find the tilt feels really good, actually - I hadn't expected it to. The downside of this is that it increases the weight by over 1/3, to over 9 ounces. The device is overall about 4 ounces heavier than the M570. You can use it without the metal plate, but it feels extremely wobbly in that state, and will fall to 'flat' rather than tilted unless propped up. The only other issue is that there's no spot inside to hold the Unifying Receiver. Not an issue for me because I want this for Bluetooth, but may be an issue for someone. I purchased the MX Ergo Plus direct from Logitech - the difference is that the Plus ships with an additional plastic wedge that can add another 10 degrees of tilt. If that sounds useful to you, my understanding is that the Plus is exclusive to Logitech and Best Buy.

3.0 out of 5 stars
By Brian D. Chapin - Reviewed in the United States on October 11, 2017
Not an upgrade from M570 for certain use cases
As an owner of 4 Logitech M570's (one for each laptop / desktop) I was really looking forward to the upgrade. Unfortunately, this doesn't feel like an upgrade at all. It requires new software (Replacing SetPoint with Logitech Options) which does NOT support the old "Pointer Acceleration" feature. Compared to the old M570 this is 4x the price with reduced functionality. Until they update the software I would NOT recommend it - especially if you are using a large multi-monitor setup. Other minor annoyances: 1) The trackball actually makes noise where the M570's are silent 2) Micro-USB connection where the rest of the world has moved to USB C 3) Far heavier than the M570 and a flatter profile.

1.0 out of 5 stars
By Brian - Reviewed in the United States on November 1, 2017
Extremely Disappointing
I've been using the Logitech M570 exclusively for as long as I can remember. Currently I have 5 or 6 of the M570s lying around my house connected to various computers. I've convinced my wife, co-workers and a few friends to switch to the M570. The M570 had one major drawback--no bluetooth connectivity. Like a lot of M570 fans, I was elated to read a couple months ago that Logitech was releasing a bluetooth version of this popular trackball. And then I actually used one. For me, the Ergo is uncomfortable to use. It is the first time using a Logitech trackball for 20 years that I felt any discomfort in my hand or wrist. This will likely vary by individual, but there are four flaws to the device that have led me to abandon it: 1. The metal riser on the MX Ergo increases the height of the device which results in awkward hand/thumb placement as compared to the M570. 2. The extra weight and the textured grip nature of the MX Ergo means that it has less "give" when you move your hand onto it. Rather than my hand gliding over the plastic of the M570 (especially when I am reaching to move the cursor without looking at the mouse directly *or* if I'm readjusting my hand placement), the MX Ergo resists the movement of my hand. The result is something that I feel in my wrists after a few hours of use, and not in a good way. 3. The ball does not seem to roll as freely in the MX Ergo as it does in the M570. I used this for about a week before giving up on it. Four weeks later, I could still feel faint aching in my trapeziometacarpal joint. 4. As anyone who has owned an M570 knows, the ball needs to be removed periodically as dust, etc. will accumulate in the area that holds the ball. This is much more difficult to do in the MX Ergo. There is a hole underneath the ball, but it is not nearly big enough to fit a finger through. You'll need some sort of device small and strong enough to dislodge the ball, but also avoid scratching it. Really dumb design decision on Logitech's part. I have to wonder how much ergonomic testing of this they did, or if this is a quality control issue with these early units. It's a huge step backward from the M570 IMO.

Recent Reviews


5.0 out of 5 stars
By Brad Jones - Reviewed in the United States on September 14, 2017
The Bluetooth trackball I'd been waiting for
I've been waiting for this device for well over a decade - a Bluetooth version of Logitech's fabled TrackMan Marble Wheel. And this is, indeed, a really nice trackball for use with new laptops that don't have USB-A ports, such as the MacBook/MacBook Pro. I'm torn whether to give it four stars or five - it's borderline, and if I could give 4.5, I would. I decided to round up. (And I've gone back and forth several times while writing this review.) The trackball functionality is exactly as you'd expect if you used the M570, with a few extra features - tiltable scrollwheel, the 'precision' button to allow fine control, and the ability to switch between two devices. The AA battery has been replaced by li-poly and recharges via micro-USB. The form factor is where things get a little weird. The bottom of the trackball has a 20-degree bend in the middle, and magnets on either side. It ships with a 2mm-thick metal plate that can magnetically attach to either side to cause the tilt. The result feels much more stable than you'd expect, and while you can deliberately tilt it, it's not generally going to accidentally tilt when you aren't expecting it. I find the tilt feels really good, actually - I hadn't expected it to. The downside of this is that it increases the weight by over 1/3, to over 9 ounces. The device is overall about 4 ounces heavier than the M570. You can use it without the metal plate, but it feels extremely wobbly in that state, and will fall to 'flat' rather than tilted unless propped up. The only other issue is that there's no spot inside to hold the Unifying Receiver. Not an issue for me because I want this for Bluetooth, but may be an issue for someone. I purchased the MX Ergo Plus direct from Logitech - the difference is that the Plus ships with an additional plastic wedge that can add another 10 degrees of tilt. If that sounds useful to you, my understanding is that the Plus is exclusive to Logitech and Best Buy.

3.0 out of 5 stars
By Brian D. Chapin - Reviewed in the United States on October 11, 2017
Not an upgrade from M570 for certain use cases
As an owner of 4 Logitech M570's (one for each laptop / desktop) I was really looking forward to the upgrade. Unfortunately, this doesn't feel like an upgrade at all. It requires new software (Replacing SetPoint with Logitech Options) which does NOT support the old "Pointer Acceleration" feature. Compared to the old M570 this is 4x the price with reduced functionality. Until they update the software I would NOT recommend it - especially if you are using a large multi-monitor setup. Other minor annoyances: 1) The trackball actually makes noise where the M570's are silent 2) Micro-USB connection where the rest of the world has moved to USB C 3) Far heavier than the M570 and a flatter profile.

1.0 out of 5 stars
By Brian - Reviewed in the United States on November 1, 2017
Extremely Disappointing
I've been using the Logitech M570 exclusively for as long as I can remember. Currently I have 5 or 6 of the M570s lying around my house connected to various computers. I've convinced my wife, co-workers and a few friends to switch to the M570. The M570 had one major drawback--no bluetooth connectivity. Like a lot of M570 fans, I was elated to read a couple months ago that Logitech was releasing a bluetooth version of this popular trackball. And then I actually used one. For me, the Ergo is uncomfortable to use. It is the first time using a Logitech trackball for 20 years that I felt any discomfort in my hand or wrist. This will likely vary by individual, but there are four flaws to the device that have led me to abandon it: 1. The metal riser on the MX Ergo increases the height of the device which results in awkward hand/thumb placement as compared to the M570. 2. The extra weight and the textured grip nature of the MX Ergo means that it has less "give" when you move your hand onto it. Rather than my hand gliding over the plastic of the M570 (especially when I am reaching to move the cursor without looking at the mouse directly *or* if I'm readjusting my hand placement), the MX Ergo resists the movement of my hand. The result is something that I feel in my wrists after a few hours of use, and not in a good way. 3. The ball does not seem to roll as freely in the MX Ergo as it does in the M570. I used this for about a week before giving up on it. Four weeks later, I could still feel faint aching in my trapeziometacarpal joint. 4. As anyone who has owned an M570 knows, the ball needs to be removed periodically as dust, etc. will accumulate in the area that holds the ball. This is much more difficult to do in the MX Ergo. There is a hole underneath the ball, but it is not nearly big enough to fit a finger through. You'll need some sort of device small and strong enough to dislodge the ball, but also avoid scratching it. Really dumb design decision on Logitech's part. I have to wonder how much ergonomic testing of this they did, or if this is a quality control issue with these early units. It's a huge step backward from the M570 IMO.