Bose TriPort Around Ear Headphones (Discontinued by Manufacturer) Acoustic equalization - Innovative Bose technology that fine-tunes the frequency response of the headphones so you can experience rich, clear sound Adjustable headband - Up to three inches of adjustment in headband length TriPort ear cushions - Ergonomic design ensures maximum audio performance and comfortable fit 5 Foot Long extension cord - Additional cable for more freedom of movement and increased accessibility to audio sources Carrying bag - Provides an easy way to bring your headphones wherever you go