compatible : IOS iphone 4s and above, Android 4.4
APP : whatsapp,email, facebook Support Wechat ,Skype,linkedin,Twitter,Viber,line it is waterproof, but can not wear to take a shower, the hot water comes with steam,it will destory the watch!
Charging time: about 2hours Usage time : Standby 7 days,
Parameters : Heart rate measurement, blood pressure measurement, blood oxygen measurement, multiple exercise mode, sleep monitoring, music and camera, stopwatch, sitting memory, weather information, brightness setting, steps, calorie monitoring, mileage record, smart The anti-lost device has no fault mode, 3. 1.3-inch TFT
Size : 22cm/8.66in 14cm/5.51in