Original Xiaomi Youpin Amazfit Lite 1.28 inch Transflective Screen Bluetooth 4.1 3ATM Waterproof Smart Watch, Support Alipay Offline Payment / Heart Rate Monitoring / Sleep Monitoring(Black)

1. Battery: 200mAh LiPo 2. Charging method: 2Pin Pogo Pin 3. Charging time: about 2.5 hours 4. Bluetooth version: 4.1 5. Waterproof rating: 3ATM 6. Screen size: 1.28 inches 7. Screen resolution: 176x176 8. Cover material: Corning Gorilla 3 tempered glass + AF coating 9. Body material: polycarbonate, strap material: silicone 10. Sensor: PPG heart rate sensor, acceleration sensor 11. Watch display language: Simplified Chinese 12. System support: Android 4.4, iOS 9 and above 13. Function: Multi-sports mode, GPS track record, distance, calorie consumption, heart rate monitoring, sleep monitoring, Alipay offline payment, etc. 14. Strap width: 20mm, strap length: 11+8.5cm 15. Weight: about 32g