1. APP：Hband
2. Main control chip: ultra-low power consumption 7013A
3. Blood oxygen: infrared light + red light true blood oxygen
4. Gravity sensor: ROHM KXTJ3-1057
5. Optoelectronic chip: TYHX3602
6. Vibration: Silent/Vibration
7. Waterproof level: IP68
8. Compatible systems: Android 5.0 and above, iOS 11 and above
9. Screen size: 2.04-inch AMOLED Super Retina 336x448 resolution full touch screen
10. Bluetooth: 5.2BLE (low power consumption)
11. Battery type: high-density polymer lithium battery, battery capacity: 380 mAh
12. Charging method: magnetic charging
13. Charging time: about 3-4H
14. Battery life: 5-7 days of use, 30+ days of standby
15. Control method: full-screen touch control, mobile APP control
16. Language:
Watch side: Chinese, English, Japanese, Russian, German, Spanish, Italian, French, Portuguese, Polish, Czech
APP side:
Russian, Hungarian, Turkish, German, Italian, Czech, Slovak, Japanese, French, Polish, Persian, Simplified Chinese, Traditional Chinese, English, Portuguese, Spanish, Vietnamese, Arabic , Korean. "
17. Material:
Shell: alloy metal
Bottom shell: PC+ABS+heart rate lens
Strap: environmentally friendly silicone