HD7max 1.9 Inch Multifunctional Waterproof Smart Watch with NFC Function(Black)

1. Material: metal, tempered glass, silicone, electronic components
2. Functions: multiple sports mode tracking, heart rate/blood pressure/blood oxygen monitoring, breathing exercise, dialing/information reminder, sleep monitoring, video entertainment, smart reminder, remote control selfie
3. Screen size: 1.9 inches (TFT color screen)
4. Menu language: Simplified Chinese, Traditional Chinese, English, German, French, Spanish, Korean, Japanese, Russian, Portuguese, Italian, Ukrainian, Arabic
5. Screen resolution: 320 x 390pixel
6. Bluetooth version: 5.0
7. Wireless distance: 5-10m (inclusive)
8. Body memory: 128M
9. Wearing method: wristband type
10. Compatible system: fully compatible
11. Communication function: support
12. Battery capacity: 380mAh lithium battery
13. Battery voltage: 3.7V
14. Charging time: about 2 hours
15. Charging method: magnetic charging
16. Operation mode: touch + button
17. Waterproof grade: IP68
18. Magnetic fast charging, more convenient to use, fast full charge
19. LED light sensor design on the back of the watch, real-time detection of blood pressure, heart rate, blood oxygen
20. The watch supports NFC access control unlocking function