2. Compatible system: Android 4.4 and above, IOS 9.0 and above
3. Battery capacity: 300mAh
4. Screen: 1.28 inch IPS screen, resolution: 240*240
5. Strap material: silicone
6. Functions: step counting, exercise mode, sleep monitoring, call reminder, message reminder, sedentary reminder, alarm clock reminder, shake to take pictures, stopwatch, music control, alarm clock, heart rate detection, etc.
7. Firmware support languages: English, French, German, Italian, Spanish, Chinese, Russian, Portuguese
8. APP supported languages: English, French, German, Italian, Spanish, Russian, Portuguese, Czech, Polish, Ukrainian, Japanese, Dutch, Arabic, Chinese
9. Size: 46.2×10.3mm, weight: about 42g