BUILT IN RECHARGING UNIT FOR 9V BATTERY

Using VHF 170~270 MHz band to avert interference frequency.

Using multilevel high frequency and mid frequency narrowband filter, so as to dispel and any possible interference signals.

All audio of quartz crystal oscillating, have very high frequency stability.

With audio compressing-expanding technology, the machine can lower noise and increase the dynamic range

With the function of aborting the noise of feedback, it can effectively reduce the screechy.

A specially designed circuit switch is on the phone. It is for clearing up waves of miscellaneous signals.

The inside circuit which can eliminate the noise of switch on/off blocking any noise when you switch on or off, also to protect your expensive speaker.

Uniform cardioids pickup pattern isolates the main sound source and  minimize background noise.

effective, Built -in spherical wind and pop filter.

Selected the good crystal and components which make the timbre more clear.

Longest distance in open 100m. Idealist distance in open 50m.