Ginsy Dz09 Bluetooth Smart Watch Touch Screen with Camera Support Sim, TF Card for iOS and Android Smartphones - Black HD display: High sensitive capacitive touch screen, perfect match technology Function: Passometer, sleep tracker, message reminder, call reminder, answer call, dial call, remote control, push message Support sim card: It used for a independent mobile phone (GSM/GPRS 850/900/1800/1900), support memory card up to 32gb Install a free app on android device to get optimal use with functions of bt dialer, call log, messaging (only receive message), etc. Note: For iPhone only supports answer & call, phone book, music play, camera, clock, pedometer, sleep monitoring