A free program for Android, by Anhui Huami Information Technology Co.Ltd..

The Zepp 1 sensor is the world’s best-selling motion sensor for tennis. The sensor is integrated with our free app, which makes it easy to track your performance and compare results on a regular basis.

If you’re a beginner, you can start with our Beginners’ Program, which is designed to help you improve your game. It has 3 training modes that can be selected based on the amount of time you have. The advanced program is designed for players who wish to get to the next level. It has a comprehensive collection of exercises that you can do in a variety of situations.