Coby CV195 Digital Active Noise-Canceling Stereo Headphones, Black (Discontinued by Manufacturer) Active noise-cancellation system minimizes background noise Powerful 40mm drivers deliver deep bass sound Adjustable headband and full-size earcups with padding for comfort Swivel earcups with lay-flat design for easy portability Dual-prong adapter for airplane use (included); Connectivity Technology: Wired Active noise cancellation system minimizes background noiseexperience your music without distraction Powerful high-performance 40mm samarium cobalt drivers Adjustable headband and full-size ear cups with padding for comfort during extended wear Single-sided detachable cord minimizes tangles Gold-plated 3.5mm stereo mini plug, Dual-prong adapter for airplane use (included)