Product parameters: Ring color: black, with a smooth surface Ring material: 316 steel outer shell, nano ceramic inner ring Ring weight: 3g Battery capacity: 20mAh Usage time: 3-5 days Charging method: magnetic suction charging Compatibility: Supports Android 5.0 and above versions; Apple IOS 10.0 and above Inner diameter of the ring: 9 # (inner diameter 19.2mm); 10 # (inner diameter 20mm); 11 # (inner diameter 20.8mm) Motion tracking ring: Convenient to carry, it can sense your health status at any time by staying directly on your fingers, helping you adjust in a timely manner. The latest addition of somatosensory sports mode: helps you exercise anytime, anywhere, and enhances the sports experience through somatosensory mini games.

Multi sport mode intelligent ring: continuously recording exercise status, step count, calculating calories, and paying attention to health anytime and anywhere. 7 * 24-hour heart rate and blood oxygen monitoring: Full day heart rate and blood oxygen monitoring to understand your physical condition and analyze it! Adjust your physical condition. 24-hour sleep recording: 24-hour monitoring, 15 minute nap can also help you record, comprehensively analyze your sleep, and help you adjust sleep quality. Built-in simple body feeling game: Built-in body feeling sports game function, wear a sports ring, and follow the rhythm of the fitness coach's movements to move!. 5ATM waterproof, worry free for daily wear! Daily hand washing, bathing, swimming, etc. can all be used!.