Simply insert these little ear plugs in your ears then decide which mode you want to be in: First, push the button in to open the valve- you'll hear sound clearly and naturally- almost seems as if your ears aren't even plugged. Then when loud sounds hit your ears, the Dynamic Sound Valve will automatically screen those sounds out protecting your hearing. Second, simply close the valve by pushing in again for total hearing protection. These are small, handy and can go anywhere with you. Perfect for everyone who wants earplugs to hear normal sound while blocking out damaging loud sound at the same time. Perfect for outdoor and indoor activities of all types fitness, cycling, hiking, stadium events, tactical, auto racing, shooting, hunting, concerts, musicians, night clubs, industrial, construction, motorcycling and more.

Features:

• Hear normal sounds while protecting your hearing
• Medical grade, non-allergenic, ultra-soft EVA material and design gives you the perfect fit
• ABS, medical grade, on-allergenic material is used for sound filters
• Easy to put in and remove
• Washable and reusable