"Bluetooth version: V4.1Size: 40*47*9.9mmTouch screen: capacitive screenScreen size: 1.5 inchesBattery capacity: 190mALanguage: 12 (English， simplified Chinese， traditional Chinese， Korean， Russian， French， German， Spanish， Italian， Portuguese and Turkish， Japanese)Standby current: 300uAShutdown current: 30UaScreen resolution: 128*128Color: Black / White / redApplication system: Android/IOSFunction: Bluetooth phone / telephone / mobile music synchronization / pedometer / water remind / sedentary reminder / prevent the phone lost / remote camera / view messages QQ micro channel SMS (IOS does not support remote camera and view information)