Boxing Reflex Ball Adjustable Headband for Reflex Speed Training Boxing Exercise Training Improve Reactions and Speed Boxing Gym Equipment

Features:
Multipurpose trainer for practicing all your tennis skills.
Tie the ball to the base by rubber band, no need to pick up the balls frequently.
Improve reaction speed and hand eye coordination, Accuracy and speed punch.
Training tennis with string, lightweight will perfectly fit into your pocket and backpack,convenient for transportation.
The trainer is a great teaching tool for beginners and intermediate tennis players.