I haven't had many opportunities to use it, so the frequency of use is low. There are no noticeable scratches or stains, and the pad section is also in a clean condition. The operation is also problem-free. It can be used in combination with the DDJ series, XDJ series, etc., and is a popular model compatible with both Serato DJ Pro and rekordbox. I had an S9 mixer, but I bought this because it seemed easier to do tone play. Recommended for those who want to expand performance pads or enhance scratch, hot cue, and sampler operations. - Operation confirmed - No noticeable scratches or stains - Good pad response - Overall clean condition *Please note that this is a used item, so please understand that there may be minor scratches, etc. [Included Items] - Main unit - USB cable (B to A) *Box and instruction manual are not included.