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Amazon Renewed

Samsung Galaxy Watch4 Aluminum Smartwatch 40mm LTE - Silver (Renewed)

  • Based on 519 reviews
Condition: Refurbished - Excellent
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Availability: Only 2 left in stock, order soon!
Fulfilled by Amazon
Arrives Sep 16 – Sep 17
Order within 1 hour and 56 minutes
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Color: Silver


Description

OVERVIEWCrush workouts and all your health goals with Samsung Galaxy Watch4. Be your best with the watch that knows you best.KEY FEATURESBody Composition Analysis - Get ready to crush your wellness goals with body readings right on your wrist.Advanced Sleep / Continuous SpO2 - Manage your overall sleep quality for a great night's sleep with an advanced tracker that calculates your sleep score.ECG - Be smart about your heart with ECG Monitoring that gives accurate readings.Fitness / Auto Workout Tracking - Make the most of every workout with Auto Workout Tracking. Stay motivated by connecting to live coaching sessions via your smartphone or to dynamic Group Challenges with your friends.V02 Max / Advanced Run Coaching - Make the most out of every mile with Advanced Run Coaching and VO2 max readings to assess your cardio levels.Extension of Your Phone - Stay in stride while staying connected to calls, text and music on the go.Upgraded OS (GSuiteApps) - Tap into the power and convenience of select Google services and apps on your wrist.LTE Connectivity - No phone or Wi-Fi? No problem. Stay connected wherever your workout takes you, thanks to LTE connectivity.Sleek and Lightweight Design - Look great while crushing every part of your day with the sleek, lightweight and customizable design.Group Challenges - Get moving and motivated with your family and friends. Join the fitness fun with activities and challenges designed just for groups.Trip Detection - Get peace of mind while on the go with Trip Detection that sends an SOS to your emergency contact in the event of a hard fall.Women’s Health - Galaxy Watch4 helps women build a deeper connection with their bodies and their health by helping to log and track fertility windows, ovulation cycles and periods.Samsung Health - Samsung Health helps you stay on top of your health, your goals and upcoming fitness needs.Payments - Tap. Pay. Go. Samsung Pay and Google Pay make quick stops even quicker.SmartThings - Cool down the

Operating System: Wear OS


Memory Storage Capacity: 16 GB


Special Feature: GPS


Battery Capacity: 247 Milliamp Hours


Connectivity Technology: Bluetooth, Cellular, GPS, Wi-Fi


Wireless Communication Standard: Bluetooth


Battery Cell Composition: Lithium Ion


GPS: True


Shape: round


Screen Size: 1.2 Inches


Product Dimensions: 1.59 x 1.55 x 0.39 inches


Item Weight: 0.8 ounces


Item model number: Galaxy Watch4


Batteries: 1 Lithium Ion batteries required.


Date First Available: December 2, 2021


Department: mens


Manufacturer: Samsung


Item Weight: 0.05 Pounds


Standing screen display size: 1.2 Inches


Memory Storage Capacity: 16 GB


Ram Memory Installed Size: 1.5 GB


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sep 16 – Sep 17

Yes, absolutely! You may return this product for a full refund within 90 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Great deal with lots of features
I chose refurbished condition with a 3 year warranty on this 40mm watch 4 to save some money and get most of the features that are available, and all of them that I need. I chose the 40 mm watch because I have a skinny wrist and wanted something to track my sleep with that I wouldn't notice on my wrist throughout the night. The battery life is as expected for the size. I have to charge it in the morning and at night in order to do health tracking in the day with walks and biking, and sleep tracking each night. Although since it is new, I have been installing a bunch of apps and playing with the watch faces a lot. Maybe once I have gotten used to it after a while, the battery life will improve some. I keep battery saving on, and am playing with macrodroid and tasker to better automate modes and improve battery life with this usage. The blood oxygen reading is possibly not always accurate because it needs your arm in an elevated position to get a good reading, and I use it primarily at night to help detect suspected sleep apnea episodes. There are gaps in the sleep tracking too, and I have the watch tight on my wrist. But overall, it tracks the majority of my sleep, and I am impressed by it. I got the LTE version so I could do numbersync with ATT. Be aware that if you intend to use this feature, currently you have to activate the watch and pay $10/month for its own plan, and I have the unlimited Extra plan. I have not done this yet to provide any feedback on its usability. I am glad I got the wifi version for faster transfer speeds instead of Bluetooth only. The watch packaging is pretty basic. You get the watch and a generic band and generic charger. Both work just fine, just know that it won't be in the original box. I didn't care because I always just throw that stuff away right as soon as I get it. The charging takes 1.5 to 2 hours to full charge. Don't use it a bunch when it charges or you will get an overheating error. When you first get it, you will likely have no battery, and it takes a while to get it up to full operational speed due to numerous updates that will likely download and install. Also the battery life really sucks the first 2 days because of this. Overall though, I recommend this if you have scrawny wrists like me, don't want to spend a fortune, and don't mind the smaller battery. Good watch in great condition. Get the glass screen protector for it. Nice and thin and might save you some hassle if you are rough with things like me. Hope this helps. ... show more
Reviewed in the United States on May 6, 2024 by Bakofritz
    • Battery life
First of all, I love using my watch and it is extremely helpful in my everyday life. From checking simple notifications, to keeping track of time, and replying back to text messages while I'm driving, this watch is amazing. I only have one issue with the watch. When i first got it and set the watch up, I noticed that it was using an extensive amount of battery power, when I wasn't physically using the apps on the watch. I did some checking in the settings and watch preferences using the galaxy wearable app on my A42, and I discovered that the watch was automatically creating workout routines, taking my blood and oxygen levels every 5 minutes, and a bunch of extra health and fitness widgets and apps that I didn't need. Once I turned all of the extra monitors off, the battery life increased to 1 day and 23 hours. I've read a lot of the reviews fro the used version of this watch, and reviews from the SAMSUNG website about this watch having poor battery life. I think that people just don't know how to configure their devices properly. I would buy this used/renewed version of this watch again if my watch broke, and I would refer this to anyone looking for a watch that has a SAMSUNG phone. ... show more
Reviewed in the United States on October 10, 2022 by Jd
    • Perfect for the average person
This is worth the buy if all your looking for is to be able to track your health and call/text from your watch. The main issue I have is battery life, it barely gets through 8 hours of light use. Have to charge every night. The apps for the watch a great and the customization the wall paper and overall theme is great. Couldn't really ask for more from this watch ... show more
Reviewed in the United States on March 11, 2023 by Ashley G.
    • Battery dies after one day of use.
The battery dies after one day of use. I am not at all happy with the watch. I have tried keeping it in battery save mode and it still doesn't hold a charge more than a day.
Reviewed in the United States on April 21, 2025 by Amanda V Grill
    • Watch works good, but battery last about 12 hours
Watch works good, but battery last about 12 hours, can answer phone calls with the watch and many more functions, good device but Samsung need to make a very battery or make it less power hungry.
Reviewed in the United States on January 27, 2025 by ATL
    • GREAT SECURITY FOR US OLD FOLKS
I purchased GALAXY 3 WATCH A COUPLE OF YEARS AGO AND WAS READY FOR AN UPDATE. I WANTED SOMETHING THAT I COILD CA LL FOR HELP IF I NEEDED IT. THE IDEA OF THE NECKLACE THAT IS ADVERTISED DIDN'T APPEAL TO ME. I ORIGINALLY ORFERED ONE WITH A LARGER KEYBOARD AND IT LOOKED GREAT. ONCE I TRIED TO GET IT CONNECTED TO MY PHONE SERVICE AND RECEIVED 20 PAGES OF INSTRUCTIONS I DID A RETURN REQUEST. I DECIDED TO TRY THE GALAXY 4 WATCH AND ORDERED THE REFURBISHED ONE IN STOCK. IT LOOKS LIKE NEW AND WAS EASY TO SET UP. I LIKE THE PRICE AND GALAXY PRODUCTS ARE PRETTY EASY TO SET UP AND OPERATE. I WOULD BUY IT AGAIN. ... show more
Reviewed in the United States on September 2, 2023 by Judy
    • Awesome product!
My son recommended this watch because I was using a fall detection device that would go off even if I just moved my arm quickly. I hated that thing. I love the features on this watch. It has almost exactly the same features my Fitbit had with a few added ones like fall detector. I'm old and at home risk for falling so I needed something that wouldn't go off at the drop of a hat. I only wanted something to go off when I actually fell. This watch does that. It charges quickly. I wish it would just stay charged longer. ... show more
Reviewed in the United States on January 3, 2024 by Teresa Long

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