GT20 Y13 Smart Watch Stainless Steel Strap With Bluetooth For Making Phone Calls Smart Watch Features: Bracelet language: English, French, Spain, Portugal, Russian, German, Netherlands, Turkey, Malaysia, Poland, Czech REPUB, Slovakia, simplified Chinese APP language: English, simplified Chinese, traditional Chinese, Netherlands, Russia, France, Germany, Portugal, Spain, Turkey, Japanese, Poland, Arabia, Malaysia, Thai, Czech, Slovak 1. Basic function Date and week display, Step, Calories, Distance,stop watch and so on. 2. Information storage, brightness adjustment, M,CA,address view, device RESETing 3. record (step count, distance, calorie calculation), mode, message push, information storage, measurement, sleep monitoring, stopwatch, photo control, music control, full screen toc, rotary key 4. 6 different UI can be switched on main interface Alert & Notification function: 1. Call reminder, Message, QQ,Wechat. 2. Face book,Skype,TWI TTER,WhatsApp,Line, KakaoTalk Hangouts content display and so on. 3. Sedentary, Alarm Reminder Special Function: 1. Wechat Sports Connect, set up sports goal, SHAREing fitness information. 2. Alarm clock, raise the hand bright screen, bright screen time, find the phone, find the bracelet, call rejection, shaking to Product Description: APP: FitPro Bluetooth version: Bluetooth 5.0 Support iOS 9.0 version above and Android 5.0 version above rating: IP67 Screen: 1.7 inches Ips 240x280 screen mode: Full screen touc + side key, mobile APP control Battery capacity: 3.7V/180mAh FLASH memory: 512KB+16M Charging time: 1.5H G-Sensor: -gsensor Working Time: Around 3days Shells material: -alloy + ABS Package includes: 1X Smart watch 1X USB Cable 1X Instruction manual