New Walker’s Razor Digital X-Trm Muffs GWP-XDRSEM. Cool mesh headband and comfort gel ear pads. Active dynamic sound suppression. Dynamic wind noise reduction. Auto shut off after 4 hours. Ultra compact and collapsible. Requires (2) AAA batteries (included). With our dynamic pricing model, our prices are always competitive. Our prices are some of the lowest that you will find on the internet. Rest assured that you’re getting a good deal when purchasing with us.