U13 2.2 inch IPS Curved Screen Smart Watch Supports BT Call 1. Main chip: JL7013A 2. Flash: 128MB 3. Bluetooth version: 5.3 4. Heart rate sensor: 3602 5. Acceleration sensor: ST8321 6. Screen: 2.2-inch IPS screen, 320x386 resolution, full touch 7. Battery capacity: 3.8V 300mAh 8. Standby time: 30 days 9. Working time: 4-12 days 10. Charging method: Magnetic charging 11. Charging time: about 2 hours 12. Waterproof: IP67 13. APP: H band 14. System requirements: Android 9.0 or iOS 9.0 and above 15. Watch UI language support: Chinese, English, Japanese, French, German, Spanish, Italian, Russian, Polish, Korean, Dutch, Portuguese, Thai, Arabic 16. APP language support: English, Simplified Chinese, Traditional Chinese, Korean, German, Japanese, Russian, Spanish, Italian, French, Vietnamese, Portuguese, Persian, Polish, Turkish, Czech, Slovakia, Hungarian, Arabic and other 150+ languages 17. Functions: All-day heart rate monitoring, blood pressure monitoring, blood sugar monitoring, blood oxygen monitoring, thermometer, MET test, Bluetooth call, exercise mode, step counting, sleep monitoring, calories, distance, voice assistant, music playback, stopwatch, countdown, calculator, weather display, female menstrual cycle function, remote control photography, raise to wake, find your mobile phone, call reminder, message reminder, alarm reminder, sedentary reminder, heart rate function alarm reminder, breathing training, time and date setting 18. Body material: alloy + plastic 19. Wristband: silicone 20. Dial size: 46x46x13mm 21. Watch net weight: 52g 22. Packing list: Smartwatch (including watchband) x 1, Charging cable x 1, User manual x 1