GTL1 0.96 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: 0.96-inch TFT, 466x466 resolution, single-touch 6. Battery capacity: 170mAh 7. Standby time: 45 days 8. Working time: about 5-7 days 9. Charging time: about 2 hours, magnetic charging 10. Waterproof: IP68 11. APP: Runmefit 12. System requirements: Android 4.4 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 15. Functions: 16 Exercise Modes, Calorie Counting, Step Counting, Distance, Exercise Recording, MAl Health Index, Heart Rate Monitoring, SpO2 Monitoring, Blood Pressure, Blood Sugar Research, Sleep Monitoring, Stress Monitoring, Emotion Monitoring, Exercise Heart Rate, Health Reminder, Liveness Detection, Message Notification, Weather, Remote Camera Control, Alarm Clock, Stopwatch, Phone Locator, APP, OTA Upgrade 16. Body material: Plastic 17. Wristband: Nylon 18. Dial size: 51.5x19.7x11.6mm 19. Weight: 12.1g (excluding strap), 24.9g (including strap) 20. Packing list: Smartwatch (including watchband) x 1, Magnetic charging cable x 1, User manual x 1