Main function ? 1.54" TFT LCD Touch Screen, 240*240 pixels ? Phone function: GSM/GPRS 850/900/1800/1900(2G/2.5G); Call,hand free,call record,phone book; Bluetooth phone call ? Image viewer, Sound recorder, Audio player(need put an SD card) ? SMS: Local SMS; Phone SMS Bluethooth synchronization ? Clock display: 3 sets of display clock, Free switch ? Pedometer: Step motion meter,Calories calculation,Sports mileage records ? Sedentary remind: Sedentary remind ? Sleep monitoring ? Photograph: Watch photos,Storage to the watch; Remote photos,Storage to the phone ? Alarm clock, Compass, Calendar, Schedule Sync ? Whatsapp,Twitter,Facebook (need put a SIM card) ? Bluetooth push: News client information,System Settings information; Schedule, Synchronous remind Time synchronization About the Apple iPhone Compatible: ? This watch is Bluetooth 3.0. All functions support android 4.3 and up smart phones. But for iphone, it support answer & call, phone book, music play, camera, clock, pedometer, phone anti-lost alert, radio, sleep monitoring, etc. But not support SMS(with SIM card can be), remote camera control. ? Android mobile scan QR code on watch. App not support ISO. ? The package does not contain SIM card and SD card.