GTR3 1.43 inch AMOLED Screen Fitness Tracker Smart Watch Support Heart Rate Monitoring Color:Black uniform pattern that adds elegance

uniform pattern that adds elegance and versatility

Carton Size 42cm * 46cm * 36cm / 16

Carton Weight 33

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GTR3 1.43 inch AMOLED Screen Fitness Tracker Smart Watch Support Heart Rate Monitoring Color:Black uniform pattern that adds elegance1. Chipset: JL7013A6S 2. Memory: 640KB ROM, 256M FLASH 3. Bluetooth version: BLE 5. 3 4. Sensor: HX3695H heart rate sensor, SC7A20H G sensor IC 5. Screen: 1. 43 inch AMOLED, 466x466 resolution, Full screen touch 6. Battery capacity: 390mAh 7. Standby time: 45 days 8. Working time: about 7 15 days 9. Charging time: about 2 hours, magnetic charging 10. Waterproof: 3ATM 11. APP: Runmefit 12. System requirements: Android 7. 0 or above, IOS 12. 0 or above