This is the KORG dynamic phrase synthesizer, the Kaossilator (KO-1). It's a palm-sized, portable digital synthesizer that allows you to play melodies and phrases with a touch pad interface. Operation has not been confirmed. This item is being sold as junk. Recommended for those who can repair it or use it for parts. Only what is shown in the photos is included. Please check the photos and make your judgment on the condition. Please understand this before purchasing. This is a used item. Please check the photos carefully and assess the condition. We do not have any knowledge of this product, so we cannot judge its condition. This is an unwanted item and has not been maintained, so it is considered junk. How about it for someone who can repair it? Due to being a used item, there are noticeable stains and scratches. We cannot completely clean it, so please be aware of this beforehand.