With an impressive 21-decible Noise Reduction Rating NRR, the 3M PELTOR Sport RangeGuard Electronic Hearing Protector provides dependable hearing protection on the range, in the field, and anywhere in between. A low-profile cup design is fully compatible with shotgun and rifle use, while an adjustable headband can accommodate virtually any head shape and size. With recessed microphones, a 3.5mm audio input jack, and 2-way radio compatibility, this safety headset has everything you need and nothing you don't.