PIONEER Compact Disc Player CDJ-800MK2, MP3 Compatible - I am not a DJ, and I only used this at home occasionally, so I don't think there is any damage that would affect its functionality. - There are no problems with inserting and removing CDs. - It is a slot-in type. - CD playback is stable without skipping. - MP3 data discs can also be played. - As it is an old device, there may be scratches, and problems may occur with discs in poor recording condition. - There are no problems with the various buttons, pitch slider, and wheel operation. - There is some unevenness and hydrolysis on the display and jog dial, but it does not affect operation. - Only analog output has been confirmed. - By the way, I am a non-smoker and do not have any pets. [Included Items] - Power cord - AC cord