The watch runs on a rechargeable, built-in 230 mah battery, one a single charge, it has a talk time of up to three hours, standby time of up to 120 hours and charging time about 1 hour, this watch is bluetooth 3.0 enabled for easy wireless syncing
You can dial and answer the phone on the watch
Watch is connected with mobile phone
Wach is connected with mobileand the phones bluetooth is open, you can read its messages from your watch
If you have an android phone, then download the app to sync messages or call history to this watch, its phonebook feature displays the caller’s name or number
Hardware category description : Mainchip ti cc2541 g-sensor : 3D accelerated rohms screen : 0.86 “OLED screen,resolution 96×32 storage : No touch support screen touch environment temperature : No support multi language app english, french, geRMan, italian, portuguese, russian, spanish, dutch, dansk charging USB interface input voltage5.0v bluetooth bt4.0 waterproof ip67 uv no support heartrate no support software hardware category description andiord system support android 4.3 or above (download the app “wristband app” from google play) ios ios7.0 or above (download the app””wristbandapp fitness””from app store) pedometer/ support calories support sleeping monitoring support vibration support goal completed reminder support alaRM clock support call reminder support standby time 7-10 days sh07 fitness sleep tracker smart bracelet 0.86 oled activity wristband reminder remote camera for android and ios multi-language.