The Wireless Headset Training Adapter is a simple-to-use training adapter / switch which works with wireless and corded headsets. The Wireless Headset Training Adapter gives managers and supervisors an easy way to listen in and monitor employees’ calls. Setup is quick and easy. Plug the wireless or corded headset into the adapter for normal one-on-one conversations. When a second headset is plugged into the adapter, mute either or both microphones with the push of a button. The Wireless Headset Training Adapter can be used with: Two connected wireless headsets, one wireless and one corded headset, or two corded headsets.