Features Specifications:Sell Hunting ear muff  1).Electronic hunting ear muffs protect the ears against noise levels higher than 85 db. 2).Two individual circuitry boards allows normal speech and low sounds to be heard. 3).with a very comfortable pad and a head-wore streching-and-contraction system. 4).Durable structure,metal ear band. 5).The intelligent noise filtration function is just like a filter,which assures you of a non-stop conversation with others with no need of taking off protective equipments while restricting harmfull noise. 6).Can be used in hunting and shooting sports. 7).Packaging : 1 set/plastic blister,20 sets per carton . 8.)OEM service available.