Memorex MD8151SL Portable MP3 CD Player Buttons/Features : Forward/Back + Fastforward/Rewind Program/Equalizer "Enter" ESP/Menu Mode/Clear Play/Pause Stop There are 5 different EQ. sound modes, ports for headphones, amplifiers and a DC power cable. This device uses AA batteries and does not come with a DC cable. Utilizes a 60 Sec CD/120 MP3 Anti-Shock Protection. Modes included: Repeat/Repeat all/Program.