WS-E9 Ultra 2.2 inch IP67 Waterproof Metal Buckle Ocean Silicone Band Smart Watch, Support Heart Rate NFC 1. Functions: water drainage, female assistant, world time, raising hand to brighten the screen, power saving mode, screen settings, do not disturb, sound and vibration, password, time setting, date setting, brightness adjustment, sedentary reminder, factory reset, GPS , weather, body temperature, blood sugar, screen settings, breathing, multiple sports modes, phone (contacts, dialing, call history, call settings), blood oxygen, games, do not disturb, exercise records, step counting, information, blood pressure, alarm clock , sound and vibration, download APP, sleep, music, heart rate, find phone, password lock, calculator, stopwatch, camera, language assistant, time setting, calendar, brightness adjustment, sedentary reminder 2. Touch screen operation: - Down menu: bluetooth, weather, smart voice, raise hand to brighten screen, brightness adjustment, bluetooth music, dial lock, alarm clock, download app, style, setting, shutdown - Swipe up menu: Information - Swipe right to split the screen: time and date, weather, time, phone, frequently used applications (display currently used applications) - Swipe left: heart rate, sleep, Bluetooth music, weather, GPS 3. Chip: ZK8918C 4. APP: Fere Fit 5. Compatible system: Android5.0 or above, IOS9.0 or above 6. FLASH memory: 32MB 7. Screen size: 2.2 inches 8. Pixel: IPS240x296 9. Touch type: full touch screen 10. Bluetooth version: 3.05.0 11. Gravity sensor: MSA311 12. Battery capacity: 3.7V200mAh 13. Charging method: wireless charger 14. Languages: Chinese, English, Russian, Spanish, Italian, Portuguese, Dutch, Turkish, Vietnamese, Hebrew, Thai, Arabic, Malay, Burmese, Persian, German, French, Polish, Swedish, Hungarian, Greek, Indonesian, Ukrainian, Romanian, Czech. 15. Waterproof level: IP67 deep waterproof 16. Charging time: 2-3H 17. Battery life: 7-15Days 18. Material: zinc alloy