[Prime] U8 Bluetooth V4.0 Bluetooth Wrist Smart Watch Wristwatch UWatch for iOS Android iPhone 4/4S/5/5C/5S Samsung S2/S3/S4/Note 2/Note 3 HTC Sony BlackBerry,Green Bluetooth Version: Bluetooth V4.0 1.48" Capacitive Touch Screen TFT LCD Display the number or name of incoming calls. Answer or Dial calls from your wrist. Play the music in your phone (after Bluetooth paring) NOTE:Android System can support all function in the description;BUT IOS only support: Passometer, Calendar, Call Sync,Calculator,Clock,Stopwatch