Convert two 3.5mm plugs to single 4P4C RJ9/RJ10 Cisco headset plug
Works great with Cisco IP office phones with a RJ9 headset jack
Save money by buying PC headsets to use with your office phone's headset jack
Does not work with RJ11 jack, which is wider than your headset jack (6 positions vs. 4). RJ11 jack is what is in the wall. RJ9, RJ10, RJ22 are what is on your phone handset or headset.
Works with mono and stereo PC headsets!
PC Headset to Xbox 360 Adapter for chat sound
Convert two 3.5mm (1/8") plugs to single 2.5mm (3/32") plug
