About This

• [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.
• [Nighttime Sleep Insights] Tracks continuous night rest for holistic wellness trends. Note: Algorithm is strictly calibrated for nighttime cycles to ensure data purity.
• [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.
• [Skin temperature] Supports skin temperature measurement, and allows you to set a timer for measurement to monitor your skin temperature at all times.
• [Portable Charging Case] Includes a compact charging case for charging anytime, anywhere, without worrying about running out of power.
• [Ring Protector] The ring comes with a white silicone ring protector. When wearing the ring, you can put the ring protector on the ring to prevent friction and scratches.
• [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.
• [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.
• [Excellent After-Sales Service] Thank you for your trust. We will provide professional after-sales service. If you encounter any problems in use or quality, please feel free to contact us. Accessories include: smart ring*1, ring cover*1, portable charging case*1, charging cable*1, and instruction manual*1.

Overview

• Operating System : Android, iPhone
• Memory Storage Capacity : 1 MB
• Special Feature : Heart rate, Photo Control, Sleep Measurement
• Battery Capacity : 18 milliamp_hours
• Connectivity Technology : Bluetooth
• Wireless Communication Standard : Bluetooth
• Battery Cell Composition : Lithium Polymer
• GPS : No GPS
• Shape : Round
• Brand : COLMI