CPU :- Hs6620D Screen :- 1.3' TFT color screen Touch :- Full touch screen Material:- Zinc Metal Battery:- 200mAH Standby time:- 15 days Working time :- 5-7 days Waterproof:- IP67 SUPPORT BOTH iOS and ANDROID APP:- Wearfit2.0 ???? Compalibility:- For Iphone & Android Bluetooth :- 4.0 Main Functions ???? Push messages :- Incoming calls, SMS, WeChat, QQ, Facebook, Twitter, lnstagram, Skype, KakaoTalk, Line etc. Sports modes :- Steps, running, cycling, basketball, football, badminton Health measurements :- Dynamic heart rate, blood pressure, blood oxygen Others :- Sleep monitoring, sedentary reminder, calorie count, stopwatch, quick charge, ultra-low power consumption, vibration, remote photography, music control, smart alarm, weather forecast