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. (Black, 12#)
Original price was: $189.99.$49.98Current price is: $49.98.
Price: $189.99 - $49.98
(as of Nov 08, 2025 00:35:49 UTC – Details)
Product description
[Purchase a Sizing Kit] Before purchasing the COLMI Smart Ring R02, we recommend that you purchase the COLMI Sizing Kit to help you choose the right ring size.
[Heart Rate Measurement] 24/7 smart heart rate measurement allows you to understand your heart rate status and monitor heart rate abnormalities, keeping track of your daily health.
[Sleep Measurement] Detects falling asleep and waking up, monitors sleep quality and duration, and generates concise reports to help you understand your sleep patterns and adjust your habits for a more restful rest.
[Portable Charging Case] Includes a compact charging case for charging anytime, anywhere, without worrying about running out of power.
[Activity Tracking] Easily track steps, distance, and calories burned to motivate you to stay active every day.
[Photo Control] Remote camera control allows you to control your phone’s camera with a flick of a finger, making selfies, group photos, and creative photography more convenient.
[Best After-Sales Service] Thank you for your trust and we provide professional after-sales service. If you have any usage or quality issues, please feel free to contact us. Included accessories: 1 smart ring, 1 portable charging case, 1 charging cable, and 1 instruction manual.
Customers say
Customers find this smart ring to be of high quality, comfortable, and well-fitting, with accurate step tracking and good sleep monitoring capabilities. The battery life is impressive, lasting up to 36 hours on a single charge, and customers consider it good value for money, with one noting it’s an affordable way to track fitness.
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