By blocking out loud, harmful noises at any moment while simultaneously enhancing environmental sounds and voices, our Apollo Electronic Sound Suppressors provide excellent audio quality along with a noise reduction rating of 24dB. Padded Mesh Handband w/ Adjustable Wire Frame Stainless Steel Microphone Mesh Covering Dual Omnidirectional Microphones High Dynamic Range Speakers Frequency-Tuned Drivers w/ Enhanced Black PCB Passive Sound Dampening - 24dB NRR Active Electronic Sound Compression Compact Collapsible Design Includes: Adaptive Cool Gel Ear Pads, 1x American Flag Patch, 1x Savior Writable ID Patch, 2x AAA Energizer Batteries