two audio cassettes, macro, on white background.

bumper vehicle car wheel iron machine engine electronics tire gadget lighting rim multimedia compact cassette simply english french box portable data carrier magnetic tape used recording playing sound introduced 1963 philips company relative cheapness popular audio medium long time early 1980s 2000s later supplanted disc minidisc cassettes served external media pcs carried divided two mono four stereo tracks sides one available side width speed movement playback dimensions: 102 wide thick tape sound company minidisc pcs side 3 81 4 76 thick