This music boxing machine is a game changer for boxing workouts. My son recently started to go to a boxing gym and wanted to workout additionally at home. When this gadget came he absolutely fell in love with it. It connects with a phone and as you punch it produces sound. The pads are soft so there is some give and you won't hurt your fists when punching. There are different options such as speed, volume with Bluetooth, and a customizable workout. Overall such a fun workout tool.