Network WALKMAN NWE-99
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.
MP3 Manager software to easily and quickly 'drag and drop' your MP3 files from your PC to the WALKMAN.
Supports all popular digital audio compression formats: ATRAC / MP3 / WMA / WAV.
Sony Network WALKMAN NWE-99. Player media type: Flash-media, Total storage capacity: 1 GB. Continuous audio playback time: 70 h. Weight: 1.41 oz (40 g). Dimensions (WxDxH): 1.47 x 2.2 x 0.591" (37.3 x 55.8 x 15 mm)