Please purchase with the understanding that we are not responsible for any damage to the eardrum resulting from use by those without knowledge or experience. Although it is a new, unused item, it has been stored for a long time, so please check the photos for confirmation. If you lack the necessary knowledge, the potential for significant damage to your eardrum is high, so please refrain from purchasing. We will carefully pack the item with cushioning material and ship it promptly. Feel free to leave a comment.