Tennis may look easy on TV but you will need to practice a whole lot to master the game. The Spinshot-Player is a tennis ball machine that can help with that. It lets you use your phone to program speed, spin, height, angle, and feed rate. This machine has fully programmable drills and 120-ball capacity.
The Spinshot-Player weighs only 18kg. It lets you use your iOS or Android device to program it.