Rogbid Brave 3 1.99 inch TFT Screen Android 10 LTE 4G Smart Watch, Support Face Recognition 1. Support heart rate monitoring, blood oxygen monitoring, sleep monitoring, breath training, multi-sports mode, face recognition, weather, step, dial market, application market, news push, find phonefind watch, music control, remote photo, torch, clock, dial settings, menu style, SMS, phone, contacts, setting, file management, calculator, browser, audiorecord, calendar, E-Mail, search, video, gallery, download, music, alarm, camera, OTA online upgrade, mobile payment, inputmethod, phone sync, video format. 2. The operating system: Android 10 3. Processor type: Smartphone baseband with LTE ,Quad Core 1.4GHz + Quad Core 600MHz, FDD-LET, TDD-LTE, TDS-CDMA, WCDMA, GSM,5 Mode, BGA774,13x12.6x0.9mm, SC9832E 4. Memory: 64GB+4GB 5. WIFI: 2.4GHz 6. Bluetooth: BT4.1 7. location: GPSBDGLONASS 8. Display: 1.99 inch TFT(400x454) 9. Touch screen: 2 points 10. Front camera: 2.0M, rear camera:5.0M 11. 2G network: GSM:B2358 12. 3G network: WCDMA:B12458 13. 4G network: LTE: B1B2B3B5B7B8B2834B38B39B40B41(100M) 14. Antenna: LDS 15. The battery type: Li-ion Battery 850mAh 16. The power adapter: Type-C 5V-1A 17. Button: 2 Key 18. Audio formats: MP3AACAAC+WMADRAAMR-NB 19. Image format: JPG, JPEG, BMP 20. Video formats: 1920x1080 30fps;(H.264MPEG4)MPEG4 Encoder,H.264 Encoder,MPEG4 Decoder,H.263 Decoder,VP8 Decoder,H.264 Decoder 21. Material: Silicone strap, aluminum alloy case