Hot Purple L12S Bluetooth 3.0 Smart Watch Bracelet Sport Pedometer for Android IOS Smartphone Best partner of cell phone, support answer / call / hang up, built-in Speaker and Mic to answer calls directly Support play mp3 directly and music sync with smart phone. Sound record function, hourly remind, phonebook Paring with Bluetooth 3.0, start up sport pedometer, display caller ID, missed/dialled/received call, message Compatiable with smartphones which use Google android, iphone ios, windows phone, Nokia Symbian, Blackberry OS systems Specialty design, elegant and fashionable.Easy to operate & convenient to wear