The Amazfit GTS 4 smart watch is equipped with a rectangular AMOLED screen measuring 1 75 inches diagonally with a resolution of 390 × 450 pixels (pixel density - 341 ppi). The device is made of aluminum alloy. A battery with a capacity of 300 mAh provides up to 16 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.