Mifine Universal 2015 Luxury Bluetooth3.0 Smart Watch Wrist Wrap Watch Phone for Android Samsung S2/s3/s4/note 2/Note 3 HTC Black This is a new Bluetooth Smart U Watch compatible with all Bluetooth V2.0 or above enabled smartphones, tablets and PCs,such as Iphone/Samsung/LG/HTC etc. Talk Time 3 hours,Standy-by time about 160 hours,Built-in 230mAh rechargeable battery,Two-year warranty 1.44inch touch screen LCD,come with a watch dustcloth and a phone stand(Color randomization) Remind you to stand up, physical activity. Remind that you need to drink more water. Ring reminder when your smart phone receive a message NOTE:If it use for android Device ,can down the app and fit all the functions. BUT for Windows and IOS Device(iPhone4/5/6) can not download the APP and only support these function: Pressure gauge, Calendar, Calling, Calculator, Clock, Stopwatch.please check carefully when you order