128MB MP3 WALKMAN MP3 WMA WAV BLUE
Transfer up to 5 CD's onto the internal memory thanks to ATRAC3plus compression technology
AAA battery operated with maximum playback time of 70 hours.
SonicStage 2.0 software for easy music management and unlimited music transfers of your favorite tracks.
Supports all popular digital audio compression formats: ATRAC / MP3 / WMA / WAV.
Capable to store audio, visual and data files (Word, Powerpoint, ATRAC, Mp3, Jpeg, Mpeg, etc.)
Sony Network Walkman NW-E55, 0.128 GB, LCD, 1.41 oz (40 g)
Sony Network Walkman NW-E55. Total storage capacity: 0.128 GB. Display: LCD. Continuous audio playback time: 70 h. Weight: 1.41 oz (40 g)