What is Haylou Fun?

Haylou Fun is a professional application that can help you track your health and achieve better health by recording data and analyzing it. It can record data such as heart rate, blood oxygen saturation, sleep, and other data. 

It also provides an exercise mode and a recording mode for people to exercise or record their exercise results.

It provides a variety of watch faces, and you can choose your favorite watch face to synchronize with your watch according to your mood.

The application can also provide a voice broadcasting function during exercise.

This app was developed with the cooperation of a wide range of professional medical staff. It's designed to be able to track your health and achieve better health by recording data.