Logitech H390 USB Wired Headset…

The Jabra LINK 14201-33 is an Electronic Hook Switch (EHS) adapter for use with Jabra wireless headsets and Avaya Digital Deskphones of the 1400, 9400 and 9500 series. With this adapter, you can manage your calls directly from your Jabra wireless headset, up to 450 feet away from your desk.
The Jabra LINK 14201-33 EHS adapter provides complete remote call control for Jabra wireless headsets in combination with Avaya telephone sets. Compatible with Avaya Digital Deskphone series 1400, 9400 and 9500, as well as IP Deskphone series 9608, 9611, 9621G and 9641G and Avaya J Series phones (except J129). The adapter enables you to answer or end calls, mute the microphone and adjust the volume, all from your wireless headset up to a distance of 450 feet. The adapter uses a Bluetooth connection for seamless integration with your existing headset system.