ChatterVox Ultra Lightweight Headset Microphone Color:Black Sensitivity: -66dB +/- 3dB (0dB

Sensitivity:  -66dB +/- 3dB (0dB = 1V/microbar @ 1 KHz)

Operating Voltage:  DC 1

Polar Pattern:  Uni-directional

For added insurance you can even substitute AA batteries if you forget to charge the ChatterVox

ChatterVox Ultra Lightweight Headset Microphone Color:Black Sensitivity: -66dB +/- 3dB (0dBThe NEW ChatterVox Lightweight Headset Microphone is the most comfortable headset microphone available. Its also very thin and discreet, at a distance people cant even see that you are wearing it. The microphone goes behind the head and over both ears with a thin boom that you can adjust to be right at the corner of your mouth. It also has a detachable cable so if the cable gets damaged you can simply replace it and not the entire microphone. Its