· Bluetooth connection
· Four omni directional microphone
· Effectively compress any noise,continuous or impulse, 82dB or higher
· Single power and volume control knob
· Comfort headband W/mteal wire frame
· Compact folding design
· Sound activeted compression -0.02 second reaction time
· Low profile ear cup
· Powered by two AAA batteries (not included)
· Internal battery chamber
· Color is optional
· AUX. jack connects to MP3 player
· LED light
· CE EN352-1,352-4,352- 8,SNR:29dB
· ANSI,NRR:23DB
