Panasonic SL-SV590W Personal CD/MP3 Player with D.sound Technology, White Personal CD player with anti-skip protection and digital FM tuner Supports CD, CD-R, CD-RW, and MP3 (on CD-R/RW) formats D.sound technology reduces distortion, boosts bass, and restores MP3 fidelity Plays up to 75 hours (MP3) or 33 hours (CD) on just 2 AA alkaline batteries Includes stereo headphones; measures 5.43 x 0.97 x 5.43 inches (W x H x D)