Shellshock Protection EXO PRO Electronic Protective Ear Muffs 22 dB Pair of 1 Black. Electronic ear protection for people who need to hear range commands and still want the shot muted. 28dB SNR 22dB NRR with PureSeal gel cups. Specifications for Shellshock Protection EXO PRO Electronic Protective Ear Muffs: Manufacturer: Shellshock Protection Color: Black NRR: 22 dB Quantity: 1 Size: One Size Features of Shellshock Protection EXO PRO Electronic Earmuff 307E08D2 Electronic noise amplification 28dB SNR / 22dB NRR PureSeal gel cups Hear range commands clearly Mutes dangerous impulse noise Comfortable all-day wear Package Contents: Shellshock Protection EXO PRO Electronic Earmuff 307E08D2 2x AAA Batteries Shellshock Protection EAR-EXO-PRO: EXO PRO Electronic Protective Ear Muffs 22 dB Pair of 1 Black