Tera L12S Bluetooth Smart OLED Touch Screen Bracelet Wristband Watch Cell Phone Mate Pedometer Blue with Steps Tracking Vibration Massage Playing Music Recording Call Reminder Functions Multi medias for playing music and sound recording. Hourly chime function. Steps tracking, test distance and calorie. Vibration massage for wrist. Message sync with mobile phone(Only for Android System). Phone book and call reminder. With OLED display and arc capacitive touch screen. With USB port to charge through PC and mobile driver. Suitable for mobile phones with Apple IOS and Android OS, Bluetooth V3.0. Please refer to the user's manual to check the exact specifications before using.