WS-37 1.43-Inch AMOLED IP67 Waterproof Health Monitoring Bluetooth Call Smart Watch 1. Chip: Jerry 7012-A6 2. APP: Fere Fit 3. Compatible systems: Android 5.0 and above, IOS 9.0 and above 4. FLASH memory: 128M 5. Screen size: 1.43-inch AMOLED 6. Pixels: IPS466 x 466 7. Touch type: full touch screen 8. Bluetooth version: BT 3.05.0 9. Gravity sensor: MSA311 10. Battery capacity: 3.7V260mAh polymer lithium battery 11. Charging method: wireless charger 12. Charging time: 2-3H 13. Battery life: 7-15 days 14. APP functions: camera, power off, standby dial, password; mobile music, weather, dial, message, brightness adjustment; calendar, alarm clock, blood oxygen, pressure, game (the early bird catches the worm), restart; language, call (contact, call record, dial), step count, exercise (running, indoor, walking, cycling, mountaineering, yoga, cricket, basketball, football, badminton, golf, skipping, Tai Chi, table tennis, volleyball, baseball, tennis, hockey), heart rate, exercise record, women's health; blood sugar, calculator, blood pressure, sleep, stopwatch, contact; Do not disturb, search, settings (adjust brightness, password, Do not disturb mode, language switch, theme switch, system menu, standby dial, raise your hand to light up the screen, always on, time setting, date setting, about), breathing, countdown; factory reset, about, voice assistant, drainage; lower menu: time and date, power, weather, Bluetooth, always on setting, alarm clock, brightness adjustment, QR code, settings, Do not disturb; upper menu: information; Swipe right: heart rate, activity, stress, blood oxygen, (click "+" to add sleep, music, weather, call menu, breathing training, language assistant, etc.); swipe left: display the content added by swiping right; 15. Supported languages: English (default), Chinese (Simplified), Turkish, Russian, Spanish, Italian, Portuguese, German, French, Dutch, Czech, Hungarian, Thai, Hindi, Greek, Vietnamese, Arabic, Indonesian, Ukrainian, Hebrew, Persian, Malaysian 16. Waterproof le