1. Screen size: 2.02 inch display 2. Resolution: 385x420 3. Battery capacity: 380mAh 4. Shell material: Zinc alloy body + IML bottom shell 5. Strap: TPU 6. System: Android5.0 and above / ios10.0 and above 7. Bluetooth: 5.2 8. Charging method: wireless charging 9. Standby time: 65 days 10. Use time: about 10 days 11. Support Chinese, English, Arabic, French, German, Spanish, Portuguese, Russian, Thai, Polish, Italian, Japanese, Traditional, Czech, Turkish, Greek, Latin, Romanian, Vietnamese, and Danish. 12. Support heart rate/blood oxygen monitoring, step calorie, weather push, sleep monitoring, information reminder, shake photo, sedentary reminder and other functions.