ChatterVox Ruggedized Headset Microphone Sensitivity: -65dB +/- 3dB (0dB

Sensitivity:  -65dB +/- 3dB (0dB = 1V/microbar @ 1 KHz)

can be used anywhere

Lightweight Portable Voice Amplifier (about one pound including batteries)

Genuine Tonality Matching (GTM 2

Rechargeable Batteries pre-installed

ChatterVox Ruggedized Headset Microphone Sensitivity: -65dB +/- 3dB (0dBThe ChatterVox Ruggedized Headset Microphone is designed for more rugged use. Its sweat and moisture resistant, with the adjustable headband it stays put even during exercise. It is comfortable and stays put regardless of how you move or turn your head. The microphone is worn behind the head and over both ears. The adjustable boom can be positioned in the corner of your mouth. this microphone is ideal for aerobic instructors, coaches, police and