The Sansa SDMX2 also known as the e140 is a 1GB solid state MP3 player from Sandisk. The SDMX2 can play MP3, WMA (including secure WMA content) and also has a built in FM tuner. The player is powered by a single AAA battery giving 17 hours playback.
The new navigation system allows you to sort by artist, album, title and other ID3 tag information. One of the unique features of the e140 is that it has an SD slot so you can add up to 2GB of additional storage with an extra Secure Digital card. Another plus for this player is the reported high sound quality it outputs.