Spovan H7 BT5.3 IP67 1.47 inch Smart Sport Watch, Support Bluetooth Call Sleep Blood Oxygen Heart Rate Blood Pressure Health Monitor 1. MCU: JL7013A 2. Display screen: 1.47 inch TFT LCD 3. Resolution: 172x320 4. Bluetooth: 5.3 5. Sensor: Goodix 3018 6. battery: 220mAh 7. Charging time: 2.5H 8. Bluetooth effective distance: 10M 9. Waterproof level: IP67 10. Standby time: 20-30 days, battery life: 5-6 days 11. Stand-alone weight: 28g 12. Product Features: Bluetooth callHeart rateBlood oxygenStressSports trackingSleep apnea monitoringRespiratory rateHRVSleepBreathing trainingStepCaloriedistanceSedentary monitoringWear detectionCallSMS notificationSedentary reminderAlarmFemale menstrual periodVoice assistant 13. Support system: Compatible with IOS 8.0, Android 4.4 or above system version 14. Multi-language support, more than 100 built-in dials in the APP 15. Sports training functions (137 types in total), Android supports WeChat sports 16. Multiple languages: Simplified Chinese, Japanese, English, German, French, Italian, Spanish, Portuguese, Russian. 17. Font: Chinese Simplified, Traditional Chinese, English, Japanese, German, Russian, Spanish, Italian, French, Portuguese, Dutch, Turkish, Polish, Arabic 18. Weather: Support 3 days of data 19. Support OTA update 20. Support time: 1224H 21. Support screen control and button control, Two style interfaces can be switched at will 22. Multiple dials: supports cloud watch faces and wallpaper watch faces 23. Support turn your wrist to turn on the screen 24. Support swipe right to return to the previous page 25. Flash: 64Mb 26. Weight: 28g 27. Szie: 258.12 x 26 x 12.mm 27. Main body szie: 43x26x12.mm 28. Band material: TPUandABS 29. Band size: 140mm-210mm 30. Buckle material: stainless steel 31. Back case material: ABSandPC 32. Screen cover: high-strength tempered glass, double-sided curved surface process Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.