Used only a few times and then stored. Operation with Serato DJ Pro DVS has also been confirmed. There is a linear scratch on the bottom left of the top plate. Power cord, manual, USB cable, and original accessories are all included. There is no box, so it will be shipped wrapped in bubble wrap. When connected to Serato, effects can also be used. Of course, it can also be used as a regular DJ mixer, and record turntables and CDJs can also be connected. - Model Name: Numark Scratch - Connection Terminals: XLR, RCA, USB - Function: Serato DJ Compatible - Fader Type: OmniFADER - Effects: X-Filter, Reverb, Echo - Number of Channels: 2 Channels - Control Knobs: EQ, Gain, Filter - Output Type: Balanced Output, Unbalanced Output Numark Scratch DJ mixer equipped with innofader, 2 channels, USB connection compatible.