This is a Jabra  Biz 2300 Duo USB Training headset bundle. Package includes Two (2) x Jabra Biz 2300 QD Duo Binaural Noise Canceling Headset  and 1 x Jabra Link USB Y-Training Cable. Utilizing the Jabra USB training cable with Two (2) Jabra Biz 2300 Duo headsets, it provides two headset Sources to connect to a computer (using a softphone) for user training purpose. Plugging the USB Training Cable into a computer via USB, it allows 2 Jabra QD Corded Headsets to connect via the Jabra quick-disconnect (QD) of the Jabra USB Training Cable.

The trainer (listener) can either be muted or join the conversation by the push of a button.  Jabra QD quick disconnect allow the trainer to plug in his headset or leave on the fly.

Key Features:

Includes 1 x Jabra USB Training Cable + Two (2) QD Jabra Biz 2300 Duo Headsets

Binaural Headset (cover both ears)

In-line call controls buttons (answer/end, mute, programmable soft button)

Advance Noise canceling microphones

Acoustic Shock Protection, against sudden loud noises