Revolutionary New Design 

Exclusive patented breakthrough.
No batteries, no electronics , no values or moving parts!

Sound chamber technology directs damaging sounds
away from the ear canal, where they are dampened,
refracted and cancelled.

Amazingly clear low level sounds such as speech,
but with highly efficient protection from damaging noise levels
such as gunfire with over 32 Decibels of noise reduction,
evenly accross all frequencies.