Mai Health Watch r 1 1 can play music independently. Healthy sports music smart watch with Bluetooth calling function, the screen is 1.32 inch IPS round screen. A health watch is a smart wearable device, which can monitor the user's heart rate, blood oxygen, sleep and other health indicators. Built-in sensors can monitor users' health indicators such as heart rate, blood oxygen and sleep in real time, and process and identify them locally through the built-in biological data engine.