S28 1.14 inch TFT Color Screen IPX67 Waterproof Bluetooth Smartwatch, Support Call Reminder/ Heart Rate Monitoring /Blood Pressure Monitoring/ Sleep Monitoring (Black)

1. Bluetooth version: BLE 4.0
2. Screen display: color screen bracelet (1.14 inch TFT LCD. resolution 135*240)
3. Battery capacity: 140 mAh
4. Standby time: 25-30 days, working time: 4-5 days
5. Charging interface: clip mode charging (with positive and negative directions)
6. Waterproof rating: IP67, waterproof, dustproof, sweatproof, wash your face, it will not affect the normal use of the bracelet.
7. Charging interface: clip mode charging (in both forward and reverse directions)
8. APP support language: Simplified Chinese, Traditional Chinese, English, Japanese, Korean, German, French, Portuguese, Spanish, Italian, Russian, Vietnamese
9. System requirements: Android 4.4 and above, IOS 8.0 or higher Bluetooth 4.0
10. Main functions: step, heart rate, blood pressure, blood oxygen, distance, calories, sleep monitoring, call reminder (caller number/name), message reminder, alarm reminder, sedentary reminder, Bluetooth disconnect reminder, moving target reach reminder , remote control camera, 12 hours / 24 hours automatic switching, air OTA upgrade firmware function, synchronization data to APP, etc.