1. Screen: 1.28 Inch IPS Color Screen, 240*240 Pixel
2. G-Sensor: PHY6202 / Heart Rate Chip: EM7128
3. Bluetooth: 3.0 +4.0
4. Battery : 240mAh
5. Charging way: Magnetic charging 
5. Physical Keys: Side button, Full circle full touch
6. Waterproof: IP67
7. APP: Tfit
8. System Support: Android 4.4 and above,IOS 8.0 and above
9. Functions: Bluetooth calls, Bluetooth music, 8 exercise modes, heart rate monitoring, blood pressure monitoring, blood oxygen monitoring, step count, calories, distance,Sleep monitoring, GPS track motion, Multiple message storage view, Phone calls reminding, SMS, lnstagram, linkeln, Snapchat, Facebook, Twitter, WhatsApp, Line, KakaoTalk message content delivery, water alerts, sitting alerts,sports goal setting, fitness information sharing,Weather, stopwatch, smart alarm clock, raise hand light screen, light screen time, search phone, search bracelet, reject call, shake take photos, do not disturb mode.