Working Guarantee! Free Shipping! YAMAHA Yamaha Electronic Drum Set DTX402K This is a set including the main unit (with genuine power adapter and tuning key) and headphones. Everything in the photos is included. The throne (chair) is not included. There is no instruction manual, but you can find it on the manufacturer's website. There are some scratches and minor imperfections from use, but overall it's in clean condition without any noticeable dirt, scratches, or damage. *Operation guaranteed. Operation has been confirmed, but this is a used item. In the unlikely event of any operational issues upon power-up, please contact us within three days of the product's arrival, before you rate the item. We will handle returns, etc. From a pet-free and smoke-free environment. We will carefully pack the item for shipping. As it will be a large package, it may take 3-4 days to ship. Thank you for your understanding. Immediate purchase is welcome. Please feel free to ask any questions in the comments section.