Feature:<br> <br>Note on dual communication design: the left ear is used only for the left radio, and the right ear is used only for the right radio. <br>The microphone jack has positive and negative poles. If the microphone does not work, try flipping it in and inserting the positive and negative poles interchangeably. <br> <br>Specifications: <br>Model: C3 dual comm version <br>Colour: Army green, coyote brown (optional) <br>Headset Material: ABS plastic <br>Plug Type:standard 7.0mm plug <br>Pickup Function: Yes <br>Sound Amplification: Up to 4 times <br>Batteries: 2 x AAA batteries (NOT INCLUDED)