L12s Oled Watch Bluetooth 3.0 Bracelet Watch with Answer Call,led Caller Id,time Display,anti-lost Alarm and Music Player Function for IOS Iphone Samsung and Android Smart Phone When smart phones connect with the bracelet through bluetooth , you can enjoy the music automatically synchronized via the bracelet The bracelet vibrates when a new message comes and you can read it directly on the bracelet's screen (sms reading ongly works for android phones with APK installed). L12S can clearly displays steps, calories and distance when the pedometer function is turned on. High quality and sleek fashionable bluetooth Bracelet watch. Best mate of cell phone (Android version and iPhone version), prevent phone from losing and forgeting, which is also the best gift for your family and friends.