・ A purchase certificate from August 2025 is included, so the buyer can request warranty service from the manufacturer in case of initial defects or malfunctions. ・ Brand new, unused, and unopened. ・ The outer box has some minor scratches due to normal transportation and home storage. ・ Shipping will be via Rakuraku Mercari Delivery. Reference Price: Amazon: ¥13,490 (as of October 2025) [Manufacturer] Audio-Technica [Type] Wireless Earphones [Model Number] ATH-CKS50TW BG #AudioTechnica #WirelessEarphones #New #NoiseCanceling