Found this gem at the flea market. Sansa E200 series. Excellent condition, came with all the accessories. Paid $15. Works with a 128gb formatted as FAT32. : r/rockbox
Amazon.com: SanDisk Sansa Clip+ 4 GB MP3 Player (Red) (Discontinued by Manufacturer) : Electronics
Sansa Clip Zip - Custom Rockbox Themes | Headphone Reviews and Discussion - Head-Fi.org