1. Screen: 1.69 inch IPS full touch screen, resolution: 240*280
2. Battery: 230mAh polymer lithium battery
3. Use time: 3-5 days
4. Standby time: 30 days
5. CPU: HS6621
6. PPG heart rate: Tianyi Hexin 3300
7. Bluetooth call: Zhongke Lanxun BT8858
8. UI storage flash: 128MBT
9. G-sensor: 3-axis SC7A20
10. Bluetooth: dual Bluetooth 5.0, 3.0
11. System version support: Android 5.1 and above, Apple 8.0 and above
12. Bluetooth distance of connecting mobile phone: 10-15 meters
13. Charging method: magnetic type
14. Waterproof rating: IP68
15. APP interface supports languages: Chinese, Traditional Chinese, English, French, German, Japanese, Spanish, Italian, Russian, Czech, Portuguese, Turkish, Greek, Vietnamese, Thai, Arabic, Polish Languag