Jensen CDMP-345 MP3-Compatible Portable CD Player Portable CD player with 10-second CD and 105-second MP3 anti-skip protection Compatible with audio CD, CD-R, CD-RW, and MP3 formats Bass Boost system enhances low frequencies for fuller overall sound 24-track programmable memory and full alpha and numeric track editing Measures 5.12 x 1.12 x 5.69 inches (W x H x D); 3-month warranty