Support Android 4.3 / 4.4 / 4.5 / 5.0 / 5.1 and above, IOS 7.0 / 8.0 / 8.1 / 8.2 / 8.3 / 9.0 and above system, download free APP “Zeroner” from App store or Google Play store.
* Bluetooth Version: V4.0 BLE
* Standby Time: 3-5 days
* Battery Capacity: 38 mAh
* Waterproof: IP 65(do not wear it when shower or swim)
* Charging Interface: Standard PC USB interface 5V/1A
* Color: Black, Blue, Rose Red
* Intelligent Notification: vibration alert, never miss a message or incoming calls.
* Muti Functions: tracks steps, distance measurement, calorie management, sleep cycle, alarm etc.