4P4C Headset Training Adapter Training Switch Adapter for RJ9 RJ10 Headsets with 2 Mute Buttons and 2 Volume Controls 2 Volume and 2 Mute Color:2 Volume and 2 Mute if there is any quality

if there is any quality problem

perfect for Outdoor Sports

It is easy to install & use

7/8" x 7/8" x 5/16" Head

4P4C Headset Training Adapter Training Switch Adapter for RJ9 RJ10 Headsets with 2 Mute Buttons and 2 Volume Controls 2 Volume and 2 Mute Color:2 Volume and 2 Mute if there is any quality4P4C Headset Training Adapter Training Switch Adapter for RJ9 RJ10 Headsets with 2 Mute Buttons and 2 Volume Controls Volume Control Separately. Easy setup Y training adapter splitter that you can plug into either the telephone handset port or headset port and the adapter splitter will give you two more ports to headset or handset corded plug in. Now both users can simultaneous listening talking, mute when need, into one conversion via this adapter.