SanDisk Sansa e260 4 GB MP3 Player with MicroSD Expansion Slot (Black It has user-replaceable rechargeable lithium-ion battery for up to 20 hours of life. It converts most popular video formats (MPEG-4, WMV, DivX) to play on device. It is compatible with MP3, WMA, and WMA-DRM10 music files (PlaysForSure). It is sleek, ultra-thin digital audio/image/video player with 4 GB of flash memory. It has a FM tuner with record capability and voice recorder and a bright 1.8-inch color TFT LCD. Sleek, ultra-thin digital audio/image/video player with 4 GB of flash memory Compatible with MP3, WMA, and WMA-DRM10 music files (PlaysForSure) FM tuner with record capability and voice recorder; bright 1.8-inch color TFT LCD Convert most popular video formats (MPEG-4, WMV, DivX) to play on device User-replaceable rechargeable lithium-ion battery for up to 20 hours of life