Wearkey DT4+ 1.36 Inch HD Screen Smart Call watch with NFC Function, Black Silicone, Gold Silicone, Silver Silicone, Black Steel, Gold Steel, Silver Steel

1. Material: zinc alloy, electronic components
2. Functions: multiple sports mode tracking, heart rate/ECG monitoring, step counting, smart reminder, weather information, sleep analysis, NFC unlocking
3. Language: English, Chinese (Simplified/Traditional), Japanese, French, German, Italian, Spanish, Russian, Portuguese, Malay, Korean, Polish, Vietnamese, Persian, Greek, Czech, Turkish, Hebrew, Latin, Danish
4. Main control chip: RTK8762D
5. Screen size: 1.36 inches (TFT screen)
6. Screen resolution: 390 x 390pixel
7. Bluetooth version: 5.0
8. Wireless distance: 5-10m (inclusive)
9. Body memory: 64MB
10. Wearing method: wristband
11. Compatible system: fully compatible
12. Battery capacity: 280mAh lithium battery
13. Operation mode: touch + button
14. Waterproof grade: IP68
15. Magnetic fast charging, more convenient to use, fast full charge
16 LED light sensor design on the back of the watch, real-time monitoring of heart rate
17. Using PPG+ECG technology to detect ECG in real time