Imisu - All in One Watch Cell Phone & Bluetooth Smart Watch to Android IOS Smart Phone. (black) Multi-function: Dial, short message, phone book, call history, BT notification, BT music, Long-distance capture, pedometer, rest, sleep monitor, anti-theft, power save mode etc. All in one, Smart Watch, Cell Phone Watch, Sync Watch in one watch,Insert Sim Card and use as a regular Cell Phone. Compatibility: All Android Mobile Phone & Android Tablet PC. Android Mobile Phone: Samsung, HTC, Sony, LG, HUAWEI, ZTE, OPPO, XIAOMI, and so on. Some functions are compatible with iPhone 4 / 4S / 5 / 5S / 6 / 6 Plus Remote taking photo function: You can control your cellphone to take photo from your wrist (only for android phone, less android phone can't support) Sync phone book / SMS / call history (only for android phone).