Introducing Walker’s low-profile RECON Digital Electronic Muffs. Designed with lightning-fast Sound Activated Compression (SAC) at their core these muffs boast a noise reduction rating (NRR) of 26 capable of keeping wearers’ hearing protected in any arena. Working in tandem with SAC is digital amplification technology that bolsters low-level environmental sounds to ensure you hear what you should when you should as well as an integrated digital amp for improved sound clarity. Ideal for use by hunting and shooting enthusiasts as well as those working in various commercial applications where communication is key these muffs also feature an advanced digital audio circuit and full dynamic range HD speakers for clear balanced sound. Their sleek highly packable design includes sound-dampening composite housing and bonded rubber coating adjustable 2 4 and 6-hour auto shutoff and a 3.5mm audio jack for connecting smartphones computers and other electronic media devices. Users will also enjoy Bluetooth connectivity via all-new RECON Hybrid Communicator Walkie Talkie compatibility* in addition to 22 GPRS radio channels for hands-free communication from as far as 3 miles away.