The Amazfit GTR 4 smart watch is equipped with a round 1 43-inch AMOLED display with a resolution of 466 × 466 pixels (pixel density - 326 ppi). The device is made of aluminum alloy. A battery with a capacity of 475 mAh provides up to 14 days of battery life. It takes about two hours to replenish it using a magnetic charging platform.. The smartwatch is 5 ATM waterproof and supports 154 sports modes. The smart watch runs the Zepp OS 2 operating system. 0 support satellite navigation GPS, GLONASS, GALILEO Bei
Dou and are compatible with devices based on Android 7. 0 and higher and i
OS 12. 0 and above.