X4 1.14 inch HD Screen Bluetooth Earphone Smart Bracelet, Support Sleep Monitoring / Body Temperature Monitoring / Heart Rate Monitoring(Rose Gold)

1. Main chip: NRDIC:52832
2. Optical sensor: OSRAM SFH7070
3. Heart rate sensor: 3300
4. Temperature sensor: ACNT101
5. Screen: 1.14 inches, 135*240 resolution
6. Waterproof and dustproof: IP67
7. Battery: 100 mAh polymer lithium battery
8. Standby time: 4-6 days or longer
9. Charging method: contact charging
10. Charging time: about 1-2 hours
11. Data connection: mobile phone Bluetooth 5.0 and Bluetooth 4.0 synchronization
12. Compatible system: Android 4.4 and above; ios 8.0 and above
13. Shell material: glass lens + aluminum alloy, strap material: silicone
14. APP support languages: Chinese, Traditional Chinese, English, Japanese, Korean, German, Russian, Spanish, Italian, French, Vietnamese, Portuguese 12 languages
15. Functions: heart rate monitoring, blood pressure monitoring, sleep monitoring, exercise monitoring, mileage, calorie consumption, message reminder, sleep record, remote control camera, Bluetooth call, stopwatch, voice assistant, alarm reminder, etc.