CNPGD All-in-1 Watch Cell Phone & Smart Watch Sync to Android IOS Smart Phone (Black Plus) 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 pedometer, sleep monitor, FM radio, alarm, calendar, audio/video play, file manager, anti-lost, remote capture (connect your phone with Bluetooth), sound record PLS NOTE IOS System Can Use Partial Function