HQ ISSUE Walker's Patriot Series Electronic Ear Muffs feature a 23 dB noise reduction rating and Sound Activated Compression Technology that protects your ears from loud gunfire, while still allowing you to hear range commands and other shooters. Ultra-slim, low-profile design fits comfortably around your ears and won't take up much space in your range bag. Personalize your Electronic Ear Muffs with the included Patch Kit! Patriot Patches attach securely to your Ear Muffs, giving you a unique way to show off your true colors. Includes HQ ISSUE patch, American flag patch, Don't Tread On Me patch and Come And Take It (AR RIfle) patch. Ultra-slim, low-profile ear cups; 23 dB noise reduction rating; Sound Activated Compression, 0.02 second reaction time; Two high gain omnidirectional microphones; Low noise/frequency tuned for natural sound clarity; Recessed volume control knob; Compact folding design for easy transport; Comfort headband with metal wire frame; Sound dampening composite housing; Rubberized coating; Audio Input Jack; Includes HQ ISSUE patch, American flag patch, Don't Tread On Me patch, and Come and Take It (AR Rifle) patch; Electronic Ear Muffs run on (2) AAA batteries (included); Noise Reduction Rating: 23 dB; Auto Shut-Off: Yes; Battery Type: 2 AAA (included); Weight: 12 oz.; Mfg. Number: GWP-RSEMPAT-HQ.