Features: Cool sports watch, used with app for more functions. 50M water-proof for swimming, showering, hand washing. Functions: Heart Rate Monitor, Pedometer, Calorie, Distance, Sleep Monitor, Call/Message Remind, App Notification, Activity Tracker, Remote Control Camera, Alarm, Anti-Lost, Month/Week/Date Display, Synchronize etc. 0.96 Oled screen with backlight. BT 4.0 technology transmit and receive data from app. 160mAh rechargeable battery, 30 days standby time. Solid case with comfortable rubber band. Compatible with IOS 8.0 Android 4.4 or above devices. Note: It supports 15 kinds of language: English, French, Spanish, Portuguese, Italian, German, Turkish, Russian, German, Korean, Japanese, Hebrew, Ukrainian, Polish, Norwegia.