Shellshock Protection EXO Pro Elite Electronic Protective Ear Muffs 23 dB Pair of 1 Black. 25x faster suppression PureSeal gel cups 300-hour battery life with auto-shutoff. Specifications for Shellshock Protection EXO Pro Elite Electronic Protective Ear Muffs: Manufacturer: Shellshock Protection Color: Black NRR: 23 dB Quantity: 1 Size: One Size Features of Shellshock Protection EXO Pro EliteTM Electronic Hearing Protection FC14AF5F 25x faster sound suppression PureSeal gel cups 300-hour battery life Auto-shutoff after 4 hours Electronic noise amplification 28dB SNR / 22dB NRR Package Contents: Shellshock Protection EXO Pro EliteTM Electronic Hearing Protection FC14AF5F 2x AAA Batteries EVA Carrying Case Shellshock Protection EAR-EXO-PRO-ELITE: EXO Pro Elite Electronic Protective Ear Muffs 23 dB Pair of 1 Black