GTL2 1.47 inch TFT Screen Fitness Tracker Smart Wristband Support Heart Rate Monitoring 1. Chipset: JL7012R5 2. Memory: 640KB ROM, 64M FLASH 3. Bluetooth version: BLE 5.3 4. Sensor: HX3918 heart rate sensor, SC7A20H G-sensor IC 5. Screen: 1.47-inch TFT, 172x320 resolution, Full-screen touch 6. Battery capacity: 245mAh 7. Standby time: 45 days 8. Working time: about 7-10 days 9. Charging time: about 2 hours, magnetic charging 10. Waterproof: IP68 11. APP: Runmefit 12. System requirements: Android 7.0 or above, IOS 12.0 or above 13. Watch UI language support: English, Simplified Chinese, Traditional Chinese, Russian, German, Italian, French, Polish, Portuguese, Spanish, Thai, Japanese, Dutch, Korean, Vietnamese, Malay, Indonesian, Romanian, Turkish 14. APP language support: Simplified Chinese, Traditional Chinese, English, Japanese, Italian, German, Spanish, French, Russian, Dutch, Portuguese, Arabic, Indonesian, Korean, Thai, Polish, Vietnamese, Hindi, Turkish, Hebrew, Malaysian, Romanian, Mongolian, Slovak, Czech, Hungarian, Portuguese 15. Functions: MAl Health Management, 100+ Sports modes, Sports record, Heart rate, Blood oxygen, Sleep, Stress, Pomodoro, One-tap measure, Women’s Health, MET, Music control, Timer, Stopwatch, Calculator, Alarm, Flashlight, Find my phone, etc. 16. Body material: High strength plastics 17. Wristband: Silicone 18. Packing list: Smartwatch (including watchband) x 1, Magnetic charging cable x 1, User manual x 1