Califone Wireless Infrared Stereo or Mono Headphone with Transmitter,7" x 8" x 3",Each,HIR-KT1Price: USD82.99 Califone Wireless Infrared Stereo or Mono Headphone with Transmitter receives the audio signal from not only a classroom computer with the USB transmitter and extender connected, but also from two media players equipped with a built-in infrared transmitter. The headphone has an adjustable headband with ambient noise-reducing earcups to help block out external distractions and keep students on task.Other products from H e a l t h P r o d u c t s F o r Y o u |