WOW. I was just reminded of this product from when I was growing up. Looking at it, it is so nineties and such a dumb idea! I never owned one but I remember even as a kid wondering why anyone would get one?
HitClipsIt was a device that you bought music for via cartridges. It had all the "top" pop songs of the 90s and early 2000s. But here's the extra dumb part, it only played a minute "the chorus" of the songs. It played the "cool stuff" and got rid of the stuff you didn't have time for. It was supposed to be cool. Maybe this ad will rejig your memory of them too.
And here is an example of a cartridge being played on the HitClip Mini Boombox.