Price: $69.98
(as of Aug 03, 2026 15:39:35 UTC – Details)
Product description
COLMI R02 Smart Ring with No Subscription Fee
No App Subscription Fee Required: Say goodbye to monthly bills! The COLMI smart ring requires no app subscription fee. Enjoy all features right out of the box, instantly unlocking core data such as heart rate monitoring, sleep analysis, and 24/7 activity tracking, making health management pure and simple
Purchase a Sizing Kit: Before purchasing the COLMI R02 smart ring, we strongly recommend that you purchase the COLMI sizing kit or measure your finger size according to the size chart to help you choose the correct ring size for a comfortable fit and to avoid unnecessary returns or exchanges
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
Battery Life: Your usage frequency determines your power consumption. Basic Mode (4-5 days): Tracks only steps and basic sleep. Balanced Mode (3-4 days): Synchronizes heart rate every 60 minutes. Enhanced Mode (2-3 days): Monitors heart rate in real-time throughout the day. Requires frequent daily charging
Portable Charging Case: Includes a compact charging case for charging anytime, anywhere, without worrying about running out of power
Nighttime Sleep Insights: Tracks continuous night rest for holistic wellness trends. Note: Algorithm is strictly calibrated for nighttime cycles to ensure data purity
Daily Health Tracking: Tracks long-term activity trends through natural arm swings. The algorithm filters out stationary hand movements to prevent data errors. Supports achieving holistic health and lifestyle goals
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
Complete Package Included: Comes with 1 smart ring, 1 smart ring cover, 1 portable charging case, 1 charging cable, and 1 instruction manual for your convenience