CommEar Boost Right Ear Black - Small 2 PackManufacture ID: EP2-BK-RS2CommEar Boost earpieces channel radio communications directly into your ear—clearly and covertly—through an adjustable acoustic sound tube. Made in the U.S.A. from soft hypoallergenic polymer their ergonomic design makes them comfortable to wear for extended periods of time. Their Patented EarLock® retention rings utilize seven contact points to lock the earpieces in place and fit the same way every time. And because they fit snugly inside your outer ear and feature a low-profile design you can use them while wearing a helmet mask or hat or while using a phone or headset. The EP2 differs from the EP1 in that its adjustable stem extends further into the ear canal offering a boost effect to received audio transmissions. And its single flange helps hold the stem in place without closing off the ear canal. This unique design permits a wearer to still hear