Helicopter Headset with Metal Boom Mic Comfortable Foam Head Pad Over-the-head Adjustable Stainless Steel Band Comfortable half gel half foam ear pad Volume Switch YOUR LOGO HERE (Special Order Only) Adjustable Metal Boom Arm Noise-canceling Electret Mic Element LED Indicates Link and Battery Status Electret Microphone for Metal Boom ♦ Helicopter use U174/U plug. ♦ ANR Active noise reduction headset with electret microphone. ♦ Active Noise Reduction Ratings(NRR):29dB. ♦ Passive Noise Reduction Ratings(NRR):23dB. ♦ Small AA battery box with belt clip.(Battery not include) ♦ Strong metal boom for perfect microphone placement. ♦ Low profile volume control knob with detent settings. ♦ Fully adjustable spring steel headband. ♦ Colors: black,blue,yellow,green .gray,pink,red. OVER-THE-HEAD STYLE Noise Reduction Ratings (NRR):29dB