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R02 Smart Ring, a Smart Ring for Women and Men, with a Charging case, Supports Heart Rate, Blood Oxygen, Sleep Health Monitoring, and Sports Tracking Ring, No Subscription Fee. (Rose Gold, 7#) Rose Gold 7#
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What people love (and don’t love)
What people love
Lightweight, comfortable, and looks like a normal ring rather than tech.
Accurate health and sleep tracking with quick, painless charging and long battery life.
Easy-to-use app that’s simple to navigate.
Good value for the price, offers key health tracking without bulky smartwatches.
Durable design with no scratches or dullness after daily use.
What people don’t love
Sizing issues reported by some users.
App can be improved and sometimes data isn’t 100% accurate.
Does not track naps on some occasions.
Delivery and refund process can be slow.
A comfortable, stylish, and affordable smart ring with reliable tracking, though sizing and app accuracy may vary.
The COLMI R02 Smart Ring is a simple, subscription-free way to keep an eye on daily wellness and activity metrics without wearing a full smartwatch. Designed for both women and men, it tracks essentials like heart rate, blood oxygen, sleep, and everyday movement (steps, distance, and calories).
You can view the current price and full details on Amazon here.
This version comes in Rose Gold and size 7, and includes a compact charging case so you can top up power on the go. It also adds a handy remote photo control feature to help with selfies and group shots.
Sizing tip: COLMI recommends purchasing a sizing kit or using the size chart before ordering to help ensure a comfortable fit and reduce the chance of returns or exchanges.
No app subscription fee required
Portable charging case included for convenient charging
24/7 heart rate measurement
Blood oxygen monitoring
Sleep tracking with sleep quality and duration reports
Activity tracking for steps, distance, and calories
Remote photo control for your phone camera
Bluetooth connectivity; works with Android and iPhone
What’s in the box: smart ring, portable charging case, charging cable, and instruction manual.
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