T-Rex 1.43 inch AMOLED Display Rugged Smart Watch with Built-in Flashlight 1. Material: Stainless steel + liquid silicone 2. Waterproof rating: 5 ATM 3. Display size: 1.43-inch ultra-high-definition AMOLED display 4. Display resolution: 466x466 pixels 5. Glass material: Sapphire glass 6. Motion sensor: Three-axis accelerometer and three-axis gyroscope 7. Health sensor: New OHR fusion biometric sensor 8. Bluetooth: BLE 5.3 9. Battery capacity: 550mAh 10. Battery life: Up to 60 days in power-saving mode 11. Typical usage mode: Up to 30 days 12. Heavy usage mode: Up to 18 days 13. Talk time: Up to 573 minutes 14. Charging time: Approximately 1.5 hours 15. Smartphone compatibility: Android 5.0 or iOS 10.0 and above 16. Languages: English, German, Russian, Spanish, Portuguese, French, Japanese, Arabic, Dutch, Italian, Czech, Greek, Hebrew, Malay, Polish, Vietnamese, Finnish, Turkish, Simplified Chinese 17. Voice Call Functions: One-touch connection, voice call, voice assistant, dial pad, recent calls, contacts, reject calls 18. Clock Functions: Timedate, automatic daylight saving time, stopwatch, timer, alarm clock, and time setting 19. Health Monitoring: Wrist heart rate (continuous, per minute), daily resting heart rate, blood oxygen saturation (SpO2) measurement, blood pressure, breathing training, women's health, sleep score and analysis, calorie tracking 20. Daily Smart Functions: Smart notifications (calls, text messages, Gmail, and smartphone app notifications), weather synchronization, control of smartphone music and camera, find my phone and watch, do not disturb mode, sedentary reminder, hydration reminder, calendar, calculator, business card 21. Activity tracking features: Activity record, pedometer, standing time, activity bar (displayed on the device after prolonged inactivity; resets after a few minutes of walking), automatic goals (learns your activity level and sets daily step goals), calorie consumption, real-time pace and distance. 22. Sports mode system: Walking,