Sony NW-E75 Network Walkman

Features:

• 256 MB built-in memory stores up to 170 songs (4 minutes per song at 48 kbps)
• 1 AAA battery provides up to 70 hours continuous playback (with ATRAC3 audio playback)
• Compatible with ATRAC3, MP3, WMA, and WAV audio files; connects to USB port for high-speed data transfer
• Supplied music-management software lets you import, manage, and easily transfer your digital music collections
• 1.5 x 2 x .75 inches, W x H x D