WS11 MAX 2.2 inch Fitness Sport Smart Watch, Support Bluetooth Call Sleep Blood Oxygen Heart Rate Blood Pressure Health Monitor 1. Chip: 5682 2. APP: Fere Fit 3. Compatible with smartphone systems: Android 5.0 or IOS 9.0 or above systems 4. Memory: Flash: 32MB 5. Screen Size: 2.2 inch IPS 6. Pixels: 240 x 296 7. Bluetooth: 3.05.0 8. Supports: G-SensorHeart RateGPS 9. Battery: 220mAh Lithium Polymer 10. Waterproof Rating: Life waterproof 11. Charging Time: About 2-3 hours 12. Battery Life: Approximately 7-15 days 13. Strap Size: Total length 270mm, width 40mm 14. Strap: Silicone strap 15. Dimensions: 47 x 47 x 13.6mm 16. Weight: 49g 17. Charging Method: Wireless charging 18. APP Language + Watch Language: Chinese, English, Russian, Spanish, Italian, Portuguese, Dutch, Turkish, Vietnamese, Hebrew, Thai, Arabic, Malay, Burmese, Persian, German, French, Polish, Greek, Indonesian, Ukrainian, Romanian 19. Supported Functions: Business card, payment code, calculator, drainage, calendar, womens health, breathing, blood sugar, language assistant, location, messages, activity data, phone (call records, contacts, dialing, SOS), blood oxygen, alarm clock, games, blood pressure, timer, sports (running, treadmill, cycling, walking, hiking, yoga, basketball, soccer, badminton, baseball, table tennis, volleyball, spinning bike, rowing machine, golf, tai chi, skipping rope, elliptical machine, free exercise), heart rate, alarm clock, music, settings (dial settings, theme switching, display, raise to wake, do not disturb mode, screen off dial, vibration settings, sound settings, language selection, time settings, date settings, QR code, password, system menu, gesture control, about), menu style, sports records, pressure, sleep, stopwatch, find phone, camera, Alipay, weather, display settings, raise to wake, do not disturb mode, screen off dial, display settings, menu background.