Designed specifically for education environments, the Califone 3066AVT is equipped with the "To Go Plug". The "To Go Plug" allows both headphone(earcup) audio and microphone audio to be transmitted on the same cord and plug. This is a perfect classroom headphone solution for iPads, iPods, tablets, and other mobile devices. It’s noise reducing earcups and microphone help filter out external distractions to keep students on task. The To Go plug makes the 3066AVT also ideal for VoIP applications, gaming, use in computer labs, multimedia applications with smartphones and other mobile devices.