Features: Cool smart watch, used with app for more functions. 1.54 IPS screen, 240*240 pixel with backlight. BT 4.0 technology transmit and receive data from app. Functions: Heart Rate Monitor, Sedentary Remind, Pedometer, Sleep Monitor, Alarm, Stopwatch, Calculator, Call Remind, Speaker, Music Play, BT Music/Camera, Anti-Lost, Calendar, G Sensor etc. Excellent MTK2502 CPU, memory:32MB + 32MB. 330mAh rechargeable battery, 48 hours standby time. Soft silicone band, sturdy alloy case. Compatible with IOS 6.1 Android 4.4 or above devices. Language Support: English, French, Spanish, Portuguese, Italian, German, Dutch, Czech, Hungarian, Turkish, Russian, Persian, Greek Note: You can scan the QR code on user manual to download our app. Watch