Benice Smart Watch Bluetooth Watch Bracelet Smartband Calorie Counter Wireless Pedometer Sport Activity Tracker Android IOS Phone

Basic parameters
Battery type:Lithium polymer
Battery capacity:40mAh
Synchronous type:BLE4.0
Working temperature:-10¡ãC-50¡ãC
Waterpoof level:IP67
Band length:225mm
Adjustable length:157-205mm
Wrist clasp material:Alminum alloy
System requirements:Android system 4.3 and above,IOS system 9.0 and above,support bluetooth 4.0 mobile phone