1. Screen: 1.3 IPS TFT Color screen, 240*240 pixel
2. Master Chip: RLC8762C
3. Battery: 230mAh Polymeter Lithium Battery 
4. Charging way: Clip charging
5. BLuetooth: 4.0BLE(Low power) 
6. Compatible : Android 4.4 and above,iOS 8.2 and above
7. Waterpfoof Level: IP68
8. App: Tfit
9. Functions: Heart rate monitoring, blood pressure monitoring, blood oxygen monitoring, step / calorie / distance, multi exercise mode.automatic display of wrist turning, alarm clock reminder, hands up and screen lighting, social sharing (wechat, Facebook, twitter etc), Shake to take photos, Dial selection, multi-sports mode, turn on the wrist screen, turn to mute, weather display, time display, remote camera, independent music playback, do not disturb mode settings, find bracelets, find mobile phones, WeChat sports, watch answer calls, make calls, voice assistant.