Audio Technica ATH-ANC9 QuietPoint Noise-Cancelling Headphones

QuietPoint active noise-cancelling technology reduces environmental noise by up to 95%.
Tri-Level Cancellation - 3 noise-cancelling modes customize performance for airplane, office, & study.
40 mm drivers for crystal-clear high-fidelity audio reproduction.
Luxurious memory foam padding on headband and earcups.
Audio functions (in passive mode) even without the battery.

Used, very good condition.