DESC: The Memorex MP3851SP sport boombox features a rugged outer shell, perfect for toting to outside sporting events, the beach, or your yard. Memorex Portable Sport CD Boombox features an AM/FM radio with digital readout, a programmable CD player, and an audio input for connecting your MP3 player or other digital audio device. MP3851SP includes a bass boost system, AC/DC operation, and has CD, CD-R/-RW playback.