With the 4GB storage capacity, this SanDisk Sansa Clip+ digital media player can house a lot of your favorite numbers. The 105-inch LCD display of this SanDisk 4GB MP3 player gives you a clear and precise view of your song list. Through the high-speed USB 2.0 interface, this SanDisk digital media player can easily transfer songs in it. The lithium-ion battery of this SanDisk 4GB MP3 player keeps you entertained up to 15 hours at one charge. Moreover, built-in voice recorder in this SanDisk digital media player can be used to record important memos. The SanDisk Sansa Clip+ media player supports an array of file formats - MP3, WMA, secure WMA, Ogg Vorbis FLAC format and audio books.