Mars R4

This is the Aolon Mars R4 smart watch. It has a zinc-titanium alloy body and a 1.43-inch AMOLED screen. It supports 1ATM water resistance and long battery life. It tracks heart rate, blood oxygen, stress and sleep. It has 100+ sport modes, Bluetooth calls, voice assistant, music control and message notifications. It works with Android and iOS, making it a stylish and practical daily smart companion.