Audio-Technica ATH-WS660BT Wireless Headphones. New in sealed original box.

(9') cable, allowing you to use the headphones in areas where wireless operation is prohibited (e. g., in airplanes or hospitals) or when battery power is low. 0') USB charging cable. 1.2 m (3.9') cable provides a wired connection for when wireless operation is prohibited (e.g., in airplanes or hospitals) or when battery power is low.

eBay