The Koss UR10i on-ear headphones are a new portable model that offers maximum sound quality in a comfortable lightweight design. Today''s music lovers want lightweight on-ear headphone that reproduce their favorite recordings, no matter where they go. The UR10i combines the very best in sound, with the convenience of an in-line microphone. The in-line microphone offers easy communication access, so you can stay connected with others. The adjustable headband allows for a custom fit for any head-size. Built to last, the UR10i on-ear headphone is covered under the Koss Limited Lifetime Warranty. 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 audio output jack, the addition of the in-line microphone gives these headphones an exciting new option. Durable on-ear headphones Over the head design with an adjustable headband In-line push-to-talk microphone Maximum portability with a lightweight design 4ft cord and 3.5 mm plug