Sony D-NE326CK MP3/ATRAC CD Walkman Car Kit Personal CD Walkman with complete vehicle accessory kit Compatible with CD, CD-R, CD-RW, MP3, ATRAC3, and ATRAC3+ formats Skip-Free G-Protection technology guards against music interruption Bundled with SonicStage CD-burning software; compatible with Sony's Connect Music store 18 playback modes; runs on 1 AA battery (not included); 1-year parts warranty