Material : silicone
Weight : 50G
wireless version : V4.0
Screen Size : 0.96 inch high-definition big screen
Function : Pedometer, Calories Counter, Sleep Monitor, heart rate
Color : 5 colors
waterproof : Life-level waterproof,
main feature : Heart rate detection
Operation System : IOS 6.1+version or Android 4.3+version
Product name : m3 smart bracelet
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