Ideal for schools, libraries, hospitals, medical facilities and training departments, the ED1TCi communication headphones incorporates a plastic ear cup that allows easy cleaning with maximum durability for a multiple user environment. The in-line microphone allows for easy communication and works well in an education or commercial setting. An adjustable headband allows for custom comfort for all ages. The ultra-durable design, adjustable headband and in-line microphone create the ideal headphone for any commercial or institutional environment.Simple to use, push-to-talk, in-line microphone allows users to quickly and easily take a phone call while listening to their favorite music. Compatible with most mobile phones that provide a 3.5mm (TRRS) audio output jack, the addition of the in-line microphone gives these headphones an exciting new optionMulti-User EnvironmentThe plastic ear cup allows for easy cleaning and disinfecting with maximum durability in a multiple user environmentEasy Cleaning and DisinfectingEvery part of the Koss ED1TCi has been designed to be cleaned using a soft cloth and alcohol-based cleaning solution, sani wipes and other disinfectant wipesSafe and Clean EnvironmentThoroughly wiping down the headband, ear-cups, outer headphone shell and cord ensures a safe and clean environment for everyone