Product Name: BOSS GX-100 Guitar Effects Processor Usage: Purchased new from Amazon about 9 months ago. Powered on 5-6 times but was not fully utilized and has been stored since. From a smoke-free environment and never taken outside. Market Price: Approximately ¥74,000 Included: Effects processor, AC adapter. Owner's manual is missing. (Originally, only a quick start guide was included, and the owner's manual is a downloadable format.) You can download it from the following link: https://www.boss.info/jp/support/by_product/gx-100/owners_manuals/ There are no noticeable scratches or stains on the main unit, but please refrain from purchasing if you are overly concerned about minor imperfections. Please check the photos for details. *Operation confirmed. Please purchase only if you agree to no returns or cancellations.