GEM Sound CMP500 DJ Mixer Scratch effect Audio CD and CD-R and MP3 compatible RAM buffer memory for anti shock Oversize blue backlit LCD display with text for MP3 Selectable Jog modes Scratch Effect/Cue Search Quick start and cue with preview plus instant reverse for added effect Brake mode for vinyl-like stops Single and continuous play modes One seamless loop per side with re loop Pitch control - Allows adjustment to the pitch potentiometer and to increase or decrease the speed of the track Three mode-time selection, Frame accurate search