1. Screen: 1.69 inch 240*280, fully fit and full touch screen
2. Bluetooth: 4.0
3. Support mobile phone version: iOS 9.0 or above, Android 5.0 or above
4. Battery capacity: 220mAh
5. Storage: external Flash 64MB
6. Material: bottom shell: ABS+PC, front shell: aluminum alloy, glass
7. The bracelet interface supports English, Simplified Chinese, French, German, Italian, Spanish, Russian, Portuguese (multi-language support for message content push)
8. Functions: mileage, calories, steps, sleep monitoring, heart rate monitoring, blood pressure monitoring, shake or click to take a photo, message reminder, call reminder, sedentary reminder, etc.
9. Size: 44x38x10mm, weight: 40g