What is "slotradio"

slotRadio was a music format delivered on a memory card ( flash memory). Preloaded on microSD cards, slotRadio gave consumers access to a large library of music but unlike individual MP3s that are purchased, the playlist is predetermined and the user has only the ability to skip songs forward, much like a radio or music streaming service Pandora, hence the name slot "Radio". Cards could be purchased in different musical genres such as rock, country, oldies and hip hop/R&B. Each card contains several playlists by "mood" or environment such as workout, while featuring songs from Billboard's top charting artists. This particular music format is currently only compatible with the SanDisk Sansa music players.

SanDisk showed the first slotRadio player and card at CES 2009.

SanDisk stopped providing slotRadio cards on March 31, 2012.