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Smart bracelet

Product Name: S2 smart bracelet with dynamic heart rate detection

Model: S2

Sepecification
Multiple sports modes, IP67 waterproof
CPU: BT V4.0 BLE
Display: 0.96 inch, 64*128
Acceleration: 3-axis G-sensor
Heart rate:  Dynamic heart rate detection
Battery: 90ma Lithium-ion polymer rechargeable battery
Motor: Built-in,remind with vibration
Font: Full character display
Charge: 5V USB jack,charge by PC USB
Water-proof level: IP67,Swimming   (depth not over 1m, time not over 30mins)
Using time: about 10 days
Data Sync:   data synchronization to mobile app
Data storage:   Storage 7 days' sports data
Compatibility:   Support IOS 7.0 and above, Android 4.3 and above