Pebble OLED Capacitive Screen Bluetooth 3.0 Smart Watch Hand-free Smart Wrist Watch Bracelet for Cell Phone L12S-Purple Model:WEL12S; Bluetooth specification: V3.0,support answer the call by Bluetooth; OLED Capacitive Touch screen; Memory: 32MB; Battery Capacity: 25mAh; Charge time: 1-2 hours; Standby time: 168 hours Compact and Fashion Design, Bright Candy color; Download an APK in your phone,can synchronized some programe,such as:message.wechat.QQ.email etc.(allow reading the message directly by bracelet); .After pair with the mobile phone, the bracelet will remind you by vibrate and show caller's ID while receiveing a call. It can synchronized the phonebook.music.time . You can answer your phone or reject it directly on the bracelet. Easy and convenient! .Reminder for incoming call; Pedometer Function Packaging includes: 1 box, 1 USB cable, 1 battery, 1 smart watch, User Manual