Get high-quality audio in a demanding classroom or open office environment with the AC-5002 Stereo Headset with 3.5mm Plug from Cyber Acoustics. This headset features a unidirectional noise-canceling microphone, which helps minimize ambient noise while speaking or recording. The headband is adjustable to fit most head sizes and with an ambidextrous microphone arm you get to choose which side you want the mic on. There is no driver installation required to use this headset, so you can simply plug and play.