Wireless headphones made by audio-technica. Purchased from Joshin, and are unused. [Product Information] Model Number: ATH-SR30BT-GY Charging Time: Approximately 4 hours Usable Time: (When playing music) Up to approximately 70 hours Connection Method: Bluetooth 5.0 Retail Price: 14,168 yen (Official online store price) [Included Accessories] 30cm USB charging cable (USB Type-A/Micro USB Type-B) Thank you for your consideration.