GE 73823 Audio Headphone 18 ft Extension Kit Extend length and flexibility of your headphone cord. Adapters included for many uses. 4 Included adapters. Dual-pin airline adapter, .25 inch stereo adapter, dual headphone adapter, and mono adapter. Premium-Quality 18-Ft Coil Cord. Perfect For Lightweight Or Full-Size Stereo Headphones; .25" Plug Connects Portable Headphones To Full-Size