I've only used this a few times since I bought it, and it's mostly been kept in my room. I think there are almost no scratches or stains. All accessories are included. 32-key USB MIDI keyboard with volume knob. - Model Name: Keystation Mini 32 - Brand: M-Audio - Number of Keys: 32 keys - Connection Type: USB connection - Control Knobs: Volume knob Thank you for looking.