The trainer features of the tennis trainer.

Update:27-10-2018
Summary:

1. It occupies a small space and can be used indoors an […]

1. It occupies a small space and can be used indoors and outdoors for easy carrying.
2, the ball pats the face to adjust the angle up and down, allowing the trainer to practice balls from different angles and heights.
3, can practice positive, backhand and a variety of different hitting techniques.
4, you can play a ball as needed or play two balls at the same time (fast ball speed)
5, can be trained according to the angle, height, etc. of the ball
6, often practice, enhance the feel.
7,
8, you can get the same effect as playing tennis court.