Smart Watch,JoyGeek All-in-1 Bluetooth Watch Phone Mate For iOS Apple iPhone and Android SmartPhones(Black) All in one,Smart Watch,Cell Phone Watch,Sync Watch in one watch Insert Sim Card and use as a regular Cell Phone Sync to Andriod or IOS smart phone and use as a smartwatch Camera,Pedometer, Sleep monitor, FM radio, Alarm, Calendar, Audio/Video play, File manager,Anti-lost,Remote capture (connect your phone with Bluetooth),Sound record(For iOs system Phone,the fuction of sync messages is not available) NOTE:If you want to the watch connect to your iPhone,you don't downlaod any App,JUST open the Bluetooth on your phone and the watch.