AKG K 451 Portable on-ear headphones with in-line microphone and remote for iPhone® at Crutchfield
AKG K 451 High-Performance On-Ear Headphones with Remote and Mic
Amazon.com: Geekria Audio Cable with Mic Compatible with AKG K430, K450, K451, K452, Q460, K480 Cable, 2.5mm Aux Replacement Stereo Cord with Inline Microphone and Volume Control (4 ft/1.2 m) : Electronics