USB headsets are available in three basic versions. Headsets with two earpieces and a microphone on a bracket provide stereo playback and have a high audio quality. In addition, they limit interference from ambient noise. The ear cups can be attached to a headband or neckband.
USB headsets with a microphone and one earpiece on a bracket allow users to perceive the surrounding noise and are a little easier to wear, because they are lighter. Playback is limited to mono sound.
USB headsets with in-ear headphones are also available. These devices are very light and unobtrusive. They have good sound quality and are equipped with an integrated microphone in the cable.
In addition to wired USB headsets there are also cordless versions. In these versions, only the base station is connected via USB to a computer. The actual headset communicates wirelessly with the base. Frequently used protocols for wireless communication are Bluetooth or DECT. DECT provides the advantage over Bluetooth that the headset can be used over greater distances from the base station.