More like a live opponent rather than a playback feature, the JOOLA iPONG V300 is the perfect 24/7 training partner who can do it all! With this advanced training robot, you have the ability to customize ball frequency (12 to 70 balls per minute), side-to-side oscillation, and ball speed. You can even switch between backspin and topspin! The iPONG V300 features a memory button to save your favorite training routines. With a quick 3-step assembly that takes just seconds, youll be practicing like a pro in no time!