Smart ring health tracker used to keep track of your steps, calories, heart rate, and blood oxygen content.
Specification: Stainless steel Waterproof Full charge within 1 hour Compatible systems: Android5.1 (inclusive) and above, IOS8.0 (inclusive) and above Battery life: 5-7 days of use, 15 days of standby
The main function: Steps, distance, calorie calculation Heart rate, oxygen saturation, blood pressure, sleep tracking Multiple sports modes
