Coby's noise-canceling headphones deliver dynamic audio and filter out background noise, letting you focus on the music. Active noise-cancellation system provides a distraction-free listening experience, while powerful drivers deliver deep bass sound. An adjustable headband with full-size earcups and non-tangling cord let you experience your music in complete comfort. Dual-prong adapter for airplane use included. Active noise cancellation system minimizes background noise High-performance 40mm drivers for deep bass response Adjustable headband and full-size ear cups with padding for comfort during extended wear Single-sided cord minimizes tangles Gold-plated .5mm stereo plug