Otis Technology presents a smarter way to protect your hearing while improving your response to range commands and other communication. Ear Shield&';s new Sound Reduction Chamber Technology changes the sport shooter experience. Now you can shield your ears from high-decibel noise comfortably while hearing other sound frequencies, like speech, clearly without removing your gear. Unlike muffs, Ear Shield&';s compact design won&';t get in the way of achieving the proper cheek weld. Features Improves communication Eliminated stock interference No batteries Lightweight and collapsible Adjustable Made In United States of America WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer. For more information go to - www.P65Warnings.ca.gov.