D12 2.01 inch TFT Screen Smart Bluetooth Watch & Headphone 2 in 1 Support Wireless Calling 1. Main chip: JL7012 2. Memory: 128Mb 3. Bluetooth version: BLE 5.3 4. TWS chip: AD6973 5. Sensor: HX3602 heart rate sensor 6. Screen: 2.01-inch TFT, 240x296 resolution, Full-screen touch 7. Battery capacity: 230mAh, 28mAh (Headphone) 8. Standby time: 15 days and above 9. Music time: 3-4 hours 10. Charging time: 1-2 hours, magnetic charging 11. APP: FaceLink 12. System requirements: iOS12 and above, Android 7.0 and above, Hamony3 and above 13. Watch UI language support: English, Russian, Japanese, Persian, Spanish, Portuguese, Arabic, Indonesian, Thai, Vietnamese, Filipino, Turkish, French, Korean, German, Italian 14. APP language support: Russian, Hungarian, Hindi, Indonesian, Turkish, Hebrew, Greek, German, Italian, Czech, Japanese, French, Polish, Persian, Thai, Tamil, Simplified Chinese, Traditional Chinese, English, Dutch, Filipino, Portuguese, Spanish, Vietnamese, Arabic, Korean 15. Functions: heart rate monitoring, sleep monitoring, Exercise data, indoor exercise, outdoor exercise, information reminder, sedentary reminder, drinking water reminder, alarm clock, weather, breathing training, shake photo, stopwatch, search for phone, raise wrist to light up screen, frequently used contacts, bedside light, calendar, calculator, timer, music control 16. Body material: Metal frame + Plastic 17. Wristband: Silicone 18. Packing list: Smartwatch (including watchband) x 1, Magnetic charging cable x 1, User manual x 1