1. Bluetooth version: 4.0BLE (low power)
2. Appearance material: PC+ABS, hand strap: silica gel
3. Batteries: 150 mAh polymer batteries
4. Power consumption: work: 10 days, standby: 30 days
5. PCB Size: Length: 36mm Width: 14.8mm Thickness: 0.6mm
6. Memory: ROM64K + Flash 256K
7.Charging interface: 2PIN magnetic cable clamp
8. Functions: step count, range, stopwatch, calorie consumption management, sleep management, time display, call reminder, sitting reminder, smart alarm clock, lighting display, smart remote photo (swing or key) , two-way search: (Search cell phone, Search hand ring), Word bank display (Wechat, QQ, SMS, Facebook, Twitter), Event reminder, Social communication
9. Support models: iPhone 4S/5/5C/5S IOS 9.0 and above, Android 4.4 and above