LEMFO HK4 1.43 inch AMOLED Round Screen Smart Watch Supports Bluetooth Calls(Black)

1. Material: zinc alloy + tempered glass + silicone strap
2. Wristband size: total length 22cm, adjustable length 145-190mm
3. Chip: Jerry 7012A6S
4. Compatible systems: Android 4.4 and above/iOS9.0 and above
5. Memory: RAM: 640KB, ROM: 2MB Flash: 128M
6. Screen size: 1.43 inches
7. Pixel: 466x466
8. Bluetooth version: BT5.3
9. Battery capacity: 260mAh
10. Charging method: wireless charging
11. Waterproof level: IP68
12. Charging time: about 2h
13. Battery life: about 5-7 days of use, 30 days of standby
14. Support English, Chinese Simplified, German, French, Spanish, Portuguese, Turkish, Arabic, Italian, Russian, Polish, Indonesian, Dutch, Czech, Hebrew, Thai, Greek , Japanese, Traditional Chinese, Romanian, Vietnamese
15. Support Bluetooth calls, blood oxygen, blood pressure, sleep monitoring
16. Support NFC, stress test, breathing training, calendar, world clock and other functions