SIM card GSM 850/900/1800/1900MHz Support bluetooth connection dialer (without sim card) Calls ,Messages ,Phonebook,Camera,Music Player.... Bluetooth Camera,Anti Lost,Rest Reminder,Pedometer.... Support Android& IOS operate system mobile phones It can be connected with other phones using Bluetooth to act as a smartwatch as well as it can act as a mini smartphone with its own SIM card, built-in camera, USB port etc. Make and Receive Calls Send and Read Messages Phonebook and Dialer Store and hear Songs and Audio files Voice Memos to save audio notes Automatic Vibration mode to massage Sleep monitoring Pedometer Sedentary Reminder Remote Notification app KEY FEATURES Make and Receive Calls Send and Read Messages Phonebook and Dialer Pedometer Resolution of 240 x 240 Brand other SKU OT776FA0J0E70NAFAMZ-166699 Compatible Operating System Android Bluetooth Version Not Specified Model Dz09