W8 Ultra 2.02 inch TFT Screen Smart Watch, IP68 Waterproof Support Heart Rate & Blood Oxygen Monitoring Multiple Sports Modes 1. Main chip: FRK5082 2. Memory: 128M 3. Bluetooth: AB5376A2 V5.2 4. Sensor: 3 axis G-sensor, SC7R30 heart rate chip 5. Display: 2.02-inch TFT color screen 385x420 resolution 6. Battery type: 380mAh wireless charging 7. Endurance time: 65 days of standby, normally use for about 10 days 8. Waterproof level: IP68 9. Support App: M2wear 10. System requirements: Android5.0 or above, iOS10.0 or above 11. UI language: simplified Chinese, English, Arabic, French, German, Spanish, Portuguese, Russian, Thai, Polish, Italian, Japanese, Traditional Chinese, Czech, Turkish, Greek, Latin, Romanian, Vietnamese, Danish 12. APP supports language: simplified Chinese, traditional Chinese, English, French, German, Japanese, Spanish, Italian, Korean, Russian, Thai, Czech, Portuguese, Indonesian, Arabic, Turkish, Greek, Greek language , Eshanian, Bulgarian, Latvian, Lithuanian, Romanian, Serbian, Slovakia 13. Functions: steps, distance, calories, breathing training, multiple sports modes, heart rateblood pressureblood oxygen measurement, sleep monitoring, sedentary reminder, call reminder, message reminder, music playing, voice call, alarm clock, stopwatch, calculators, weather, raise to wake, dial market, smart division display, time display, Alipay, NFC, voice assistant, etc. 14. Material: zinc alloy body+IML bottom shell+silicone watch band 15. Product size: 4.7x4cm 16. Product weight: 53g