Panasonic SL-SX480W Portable CD Player, White Lightweight personal CD player with anti-skip protection and backup memory function Supports CD, CD-R/RW, and MP3 formats; 4 equalizer presets for varied sound D.sound technology reduces distortion, boosts the bass, and restores lost MP3 fidelity Plays for up to 75 hours (MP3) or 33 hours (CD) on 2 AA alkaline batteries Includes D.sound headphones; measures 5.43 by 0.97 by 5.43 inches (W x H x D); 1-year warranty