NORTH EDGE NHC 1.65 inch TFT Screen Smart Watch, Support PPG + ECG(Black)

1. Main controller: GR 5515
2. Resolution: 240x280
3. Touch mode: full touch
4. Bluetooth: BLE5.0
5. Battery: lithium polymer
6. Voltage: 3.8V
7. Capacity: 170mAh
8. Health functions: heart rate monitoring, sleep monitoring, step counting monitoring, calorie monitoring, standing monitoring, activity time monitoring, distance monitoring, blood oxygen detection, pressure value function
9. Exercise: running/cycling/walking/climbing/basketball/badminton/football/sit-ups/rope skipping/yoga/dancing/aerobics/swimming/tennis/elliptical machine/rowing machine/HIIT, etc.
10. Waterproof grade: IP65
11. Charging time: about 2h
12. Battery life: 5-7 days
13. Body: plastic bottom shell + stainless steel middle frame
14. Wristband: silicone + stainless steel
15. Support English, German, Spanish, French, Italian, Japanese, Portuguese, Simplified Chinese, Traditional Chinese and other languages.