Pro Ears Pro Tac Mag Gold NRR 30 Ear Muffs with 2 Lithium 123a Batteries (Green)
http://www.amazon.com/gp/product/B003OC5XJY?tag=sukses2015-20
Military grade dual circuit boards Gold Connectors for high quality audiophile sound Automatic shut off and Pro Form Leather ultra comfortable ears seals and padded adjustable headband Amplifies sound more than 8x normal hearing
Weighs only 135 ounces Fast attack time of 15 milliseconds Includes 2 Lithium 123a batteries 35mm input jacks for i-pod and MP3 players Battery life is 250 hours