Banana Bros OTTO Electric Smart Spice Grinder - Automatic Herb Grinder with Smart Technology - Rechargeable via USB - Portable Milling for Dry Herbs and Spices - Black - No Carrying Case
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FREE refund/replacement until Jan 31, 2026
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
In Stock.
Arrives
Jan 11 – Jan 12
![COOL KNIGHT Herb Grinder [large capacity/fast/Electric ]-Spice Herb Coffee Grinder with Pollen Catcher/- 7.5" (Wood grain)](https://m.media-amazon.com/images/I/716l25qvxQS._AC_US500_.jpg)
Size: No Carrying Case
Color: Black
Features
- AUTOMATIC HERB GRINDER KIT (NO CARRYING CASE) This electric spice grinder kit includes a smart mill, fresh seal storage tube, O-Tube holder, measuring cup, USB cable, and 4-in-1 cleaning tool. Please note: carrying case not included.
- SMART GRINDING TECHNOLOGY The advanced internal sensor system adjusts speed, direction, and pressure during grinding for consistent results. Designed to gently mill dry spices and herbs while helping maintain their aroma and structure.
- ONE-TOUCH MILLING WITH PRECISION DISPENSING OTTO effortlessly mills your material at the press of a button.The upright design, paired with the O-Tube, ensures smooth, mess-free filling directly into King or Shorty cones for a cleaner experience.
- CONSISTENT RESULTS EVERY TIME This grinder produces a uniform texture that helps enhance the preparation and usability of your dry spices or herbs. Ideal for those who value reliability and clean operation in a compact, modern device.
- ENGINEERED FOR RELIABLE PRECISION OTTO isnt your average herb grinder. With strategic, careful milling and a sturdy, well-built design, it delivers clean, consistent results with less effort than traditional manual grinders.
Material: Aerospace Engineered Aluminum
Color: Black
Brand: BANANA BROS
Item Weight: 470 Grams
Operation Mode: Automatic
Recommended Uses For Product: Home, Picnic, Camping
Is Dishwasher Safe: No
UPC:
Material: Aerospace Engineered Aluminum
Color: Black
Brand: BANANA BROS
Item Weight: 470 Grams
Operation Mode: Automatic
Recommended Uses For Product: Home, Picnic, Camping
Is Dishwasher Safe: No
UPC: 854674008455
Package Dimensions: 11.14 x 5.35 x 2.91 inches
Item Weight: 1.04 pounds
Manufacturer: BANANA BROS
Item model number: OTTO1-BKUS-00845
Batteries: 1 Lithium Ion batteries required.
Date First Available: June 8, 2020
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Jan 11 – Jan 12
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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- PayTomorrow Financing
- Financing through Apple Pay
Learn more about financing & leasing here.
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Top Amazon Reviews
Size: No Carrying Case
Color: Black
Honestly I was a little worried when I first got this product but since I've had it for almost a year it's honestly really handy as long as you take care of it and don't treat it like a normal regular metal grinder. It's super easy to use clean up is a little bit more difficult but not too bad they give you a brush but I found if you get a paintbrush with the long skinny tip it works better. The size is not too bad you can fit it pretty much wherever you need to. The grind quality is honestly awesome I'm never had one of my cones to lose or to packed of course after it loads it you have to pack it and it's up to you but buy that time it's honestly really awesome grind. I don't use very bad stickiness stuff in it because it is electronical I try to use more of a dryer substance so it's easier to clean up and not caking to it.
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Reviewed in the United States on November 4, 2025 by Lane Peeples
Size: Carrying Case Included
Color: Red
This product is totally worth the money. The quality of the grind is awesome and continues an even burn. Cleaning is just as simple and the size is amazing so I can carry it anywhere I go. It does have a bit of a cheap feeling but one out of 10 I would definitely give it a solid 9.
Reviewed in the United States on November 25, 2025 by Amazon Customer
Size: No Carrying Case
Color: White
BEST DA#N MILLING MACHINE AVAILABLE!!!! HIGHLY RECOMMEND!!! I absolutely love this machine! Saves me a little $$ and time. NO MORE RUNS!!
Reviewed in the United States on November 5, 2025 by Matthew Carrier
Size: Carrying Case Included
Color: Red
This is my third review. I've had it for Less Than 3 months and it stopped working. It makes a loud winding slash screeching noise and does not move the grinding mechanism. I'm still well within the one-year warranty. But outside of the one month return. Amazon told me to contact banana Bros through amazon. I contacted them and they wanted a picture of my device which I posted. From that point on I've never heard from them. Very very sad customer service. Amazon had to step in and make it right. Would still cost me a restocking fee but at least I'm not down 160 bucks in total. When the machine was working it was the best automatic grinder I found. But for 160 bucks in the last Less Than 3 months that's ridiculous. Far from the best. So do not buy! I needed this grinder because I had hand surgery. The first one I purchased constantly shut off for no reason. I found out that the rod was that long enough to fully close the limit switch so the grinder knows it's closed. Clearly if all the unit so I returned it. My new grinder works much better but still has its issues. The stuff I'm grinding up is usually a little bit dense. I'll put a nickel size bud in the grinder and there's times the unit cannot handle it. It will try for a bit and then shut off. You either have to wait a minute or two to turn back on or plug in the power cord real quick and unplug it and then you can finish grinding that piece. There's times I put two of them in there and it works fine. They definitely need a bigger battery and probably a stronger motor. And it uses a micro usb to charge. It should definitely be a type-c. I lowered it to three stars because the batteries charge is getting worse.
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Reviewed in the United States on May 14, 2024 by melinda zemke melinda zemke
Size: No Carrying Case
Color: White
Great product. No more sore arthritic hands from a manual grinder. Grinder motor software needs a tweek so device turns on with fewer button pushes. Now grinder needs 4-5 presses rather than 2 presses to turn on (or off). I hope the main hinge mechanism holds up. So far, I would recommend it.
Reviewed in the United States on November 17, 2025 by Chris Mattingly
Size: No Carrying Case
Color: White
Overall, I really like this grinder both in terms of performance and design. It feels well made, works exactly as it should, and has the kind of build quality you’d expect from a top tier product. The only drawback is the price compared to other grinders on the market. There are definitely cheaper options that can get the job done, but I believe this one will outlast many of them. If you’re looking for something durable that will hold up over the long term, this is a solid choice. It ultimately comes down to your budget. If you can catch it on sale, it’s an even better value. For those willing to invest in a premium option, this grinder delivers exactly what it promises
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Reviewed in the United States on September 3, 2025 by DEL H
Size: No Carrying Case
Color: Black
Best device ever invented!! Love!!
Reviewed in the United States on November 17, 2025 by Becky15071
Size: Carrying Case Included
Color: Gold
Works as advertised, so what it cost more. I like the look and it works, so it’s worth it. Sometimes I have to plug it in to turn it on and I seen others say the same so that’s something hopefully these “Banana Hoe’s” fix that problem. “Tip’s” on not how to hate this product. #1-keep it clean (I clean it after every 2 sessions of 10cones each sesh) #2-don’t slam it like an animal when packing the cone (others complained it’s cheap.smh) #3-don’t pack a whole “O” and other things in your case and maybe your zipper wouldn’t break off when you close it like a moron (others complained the zip rips off) close it like a normal person and follow other steps and you’ll be good. Yup it cost more than others that do the same thing but so does a Benz you know what I’m getting at So it’s a good product, shout out to Banana Hoes!
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Reviewed in the United States on March 21, 2025 by Vinny Neglia