CommEar Comfort Left Ear Black - Large 2 PackManufacture ID: EP1-BK-LL2CommEar Comfort earpieces channel radio communications directly into your ear—clearly and covertly—through a short 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. CommEar Comfort earpieces don"t block the ear canal permitting normal hearing of ambient sounds. Features:- Permit covert monitoring of radio communications- Open design does not block ear canal permits normal hearing of ambient sounds and conversation- Patented EarLock® retention ri