1. Bluetooth chip 5.3, 0.49 inch OLED, Japanese Gear box

2. The main body is made of zinc alloy, silicone strap

3. Crown switch operation, clip-on charging

4. Battery 40-50mAh, charge for 2H, about 7 days of normal use

5. Equipment requirements: Android 4.4, IOS8.0 and above

6. Support, English, Chinese, Traditional Chinese, Japanese, Korean, Spanish, German, French, Portuguese, Italian, Russian, Polish

7. Function: Heart rate monitor, exercise record (pedometer, calorie burn, mileage), sleep monitoring, support call reminder, SMS, WeChat, QQ push, alarm clock reminder, support remote camera, etc.