Thank you for your interest in this product. [New & Unopened] SONY h.ear on MDR-100A Charcoal Black ○ This item is unopened, but please understand that it has been stored by a private individual. Since it is completely unopened, we have not been able to confirm its operation. 《Notes》 * We are sorry, but we do not accept returns or claims to prevent product substitution. * Regarding troubles caused by transportation (natural disasters, etc.), please contact the shipping company. We cannot take responsibility. (We will cooperate with the investigation.)