Microphone module with a universal microphone, 1 LED button and 1 large red mushroom button imprinted with “SOS”. The two buttons can be programmed with various functions. 

The DSP technology facilitates a single microphone with both omnidirectional and noise cancelling characteristics. Microphone sensitivity adjustable from –21 to +12 dB. Speaking distance adjustable from 3 cm to 5 m (dependent on ambient noise and microphone sensitivity adjusted); ambient noise level up to max. 120 dB(A).