Fully-functioning electornic protector that automatically compress harmful impules and continuous noises to a safe hearing range below 85db while still allowing normal sounds to be heard without clipping or cutting.
Enhances low level sounds to allow better hearing.
Built-in volume controls.
Easy access battery compartments hold 2 AA batteries each for long lasting use.
Batteries are included.
Conform to: EN352-1, EN352-4