Fangrui Product Details 1. Gtl2 1.47 Inch Tft Screen Fitness Tracker Smart Wristband Support Heart Rate Monitoring 2. Chipset: Jl7012r5 3. Memory: 640kb Rom, 64m Flash 4. Bluetooth Version: Ble 5.3 5. Sensor: Hx3918 Heart Rate Sensor, Sc7a20h G-sensor Ic 6. Screen: 1.47-inch Tft, 172x320 Resolution, Full-screen Touch 7. Battery Capacity: 245mah 8. Standby Time: 45 Days 9. Working Time: About 7-10 Days 10. Charging Time: About 2 Hours, Magnetic Charging 11. Waterproof: Ip68 12. App: Runmefit 13. System Requirements: Android 7.0 Or Above, Ios 12.0 Or Above 14. 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 15. 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 16. 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. 17. Body Material: High Strength Plastics 18. Wristband: Silicone 19. Packing List: Smartwatch (including Watchband) X 1, Magnetic Charging Cable X 1, User Manual X 1 Designed For Modern Living