Enjoy all the benefits of using your Evolve corded UC headset on selected Cisco desk phones. This jack offers the freedom to use your Evolve headset for computer telephony, mobile phone and desk phone and delivers great ROI. Easy manual switch between the telephone devices for a great user experience.<br><br>Quantity: 1/pack<br><br>Jabra compatible with:<br>Jabra Evolve 30 II Stereo, Evolve 40 Stereo, Evolve 80<br><br>Cisco compatible with:<br>Cisco desk phone series 69xx, 79xx, 99xx, 8961