Exclusive for CNPGD, Smart Watch + Cell Phone Watch + Health Control + Media Control;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;Compatibility: All Android and iOS Mobile Phone & Android Tablet PC. Android Mobile Phone: Samsung, HTC, Sony, LG, HUAWEI, ZTE, OPPO, XIAOMI, and so on. iOS Mobile Phone: iPhone 6, iPhone 6 plus, iPhone 5, iPhone 5s , iPhone 4, iPhone 4s (This APP can' t be installed by iOS, Apple system can' t sync SMS and Bluetooth push information, but other functions can be used by iPhone); Android Tablet PC: Samsung, Nexus, Onda, Newsmy, and so on