The hard case lid won't close. Product Condition: No dents on the instrument! All key buttons open and close without issue! It has been wiped down, cleaned, and disinfected once. You can use it as is. Please refrain from purchasing if you have any concerns. There is no stickiness. Functionality: I cannot determine the correct sound as I cannot play it. * We cannot accommodate customer specifications or requests regarding shipping or packaging methods. * Please understand that this is a used item, and there may be overlooked damage. Please purchase with this in mind. * Measurements and information are done by hand and are not 100% accurate. Please consider the measurement information and product information as reference only when purchasing. We are waiting for purchases from those who understand that this is a used item. Please judge the other conditions from the images. As it is a USED item, it is difficult to convey all the conditions. Please enlarge the images to confirm. If you have any concerns, please ask questions before purchasing. Purchased from a major買取店 (resale shop). Also, please refrain from disruptive behavior such as canceling immediately after purchase.