Kensington Hi-Fi On-Ear Headphones with 9-Foot Cord (K33137) Connectivity Technology: Wired Powerful 40mm drivers for deep bass and wider dynamic range deliver exceptional sound Padded headband and plush sealed earpads enable hours of comfortable use Robust 9-foot cord and gold-plated plug stands up to heavy use Flexible earcups enable single-sided monitoring capability Ideal for classroom learning