Keen insight, average 38dB high-sensitivity pickup, 85dB dynamic noise reduction, insight into every step of the voiceprint in the chaos. Long-lasting combat power, driven by AAA batteries, stable power supply without fear of signal interference, compatible with NATO communication standards, seamless connection with PRC-148 and other tactical equipment. Excellent sound quality, 32OHM impedance, 30mW power speaker, full-frequency response 20Hz-15kHz electret microphone to ensure clear communication of commands. Lightweight and tough, black military-spec design, lightweight structure, no feeling after long-term wearing, adaptable to various tactical deployments. Upgraded protection, 25dB noise attenuation, 85dB sound pressure protection, reinforce the defense line for hearing safety. Startup noise reduction value:About 85dB Pickup characteristics:omnidirectional Power supply:4 x AAA dry battery(Not included batteries) Frequency response characteristics:full-band Impedance characteristics:32OHM Rated power:30mW Speaker:dynamic Microphone:electret condenser microphone Ambient audio sound:20-15000Hz Sound pressure protection:85dB NRR:25dB Colour:Black Material:PC Package Contents: 1 * Tactical Headset 1 * Microphone 1 * Aviation Head 1 * Bracket 1 * Walkie-Talkie Cable 1 * Chinese and English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.