Pyramex DUCOMBO5710 Combo Kits PM8010 Earmuff/Shooting Glasses 26 dB Clear Glasses/Gray Earmuffs

Smith&Wesson's M&P Sigma Electronic Earmuff features a folding compact design with a fixed padded headband. This model also features adjustable cushioned ear cups, amplifies low level sounds, uses four (4) AAA batteries that are included, and has a NRR rating of 20 dB.