For days at the range or backyard target practice, the Walker's Bluetooth Passive Ear Muffs will provide excellent protection against loud gunfire and other damaging sounds. Ear Muffs come outfitted with Bluetooth technology that makes it easy to adjust settings and even answer calls right from your smartphone. Bluetooth technology for connecting to your smartphone Provides passive protection with clear digital sound Adjustable boom mic with wind screen 4-hour auto shutoff Ergonomic head band for comfort Runs on (2) AAA batteries (included) Order today!