Etymotic Research HD15 High-Definition Series Electronic Earplugs Allows normal detection and localization of even the softest sounds Provides optional gain for (only) soft sounds Protects ears from firearms and explosive blasts Includes: 1 pair of HD15 electronic earplugs, assortment of ready-fit eartips and filter removal tool, extra wax filters, headband for wind noise reduction, pouch, 1 pair ER-20 High-Fidelity Earplugs (passive), 6-month supply of batteries International CES 2011 Best of Innovations Winner for Design and Engineering - Health and Wellness