Yes, those were called S1 players. You could build your own custom firmware for them:<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;S1_MP3_player" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;S1_MP3_player</a>