Two high-gain omni-directional microphones, low noise/frequency tuning for natural sound clarity. Independent volume control and independent adjustable frequency tuning Compact folding design, comfortable headband, with metal wire frame and low-profile ear cups. Sound-damping composite housing, NRR 26dB, Sound Active Compression - 0.02 second response time. Recessed volume/rear control knob, external battery door, powered by two "AAA" batteries.
