U8 Bluetooth Watch Smart Wristwatch Phone Mate for Smartphones IOS Apple Iphone Android Samsung S2/s3/s4/s5/note 2/note 3 HTC (Black) Passometer,calendar,call sync,calculator,clock,stopwatch Android System can support all function in the description .Anti-lost for Android/iOS Smartphone alarm function: When cellphone left watch alarm automatically, after a certain distance to avoid lose the phones At present,this kind of watch can not support IOS Apple Iphone Support hands-free calls /Answer or Dial calls from your wrist