All-day safety, focus, and performance. ISOtunes Sport ADVANCE is the first of its kind; an in-ear tactical hearing protector that provides awareness and active gunshot noise attenuation. ADVANCE is seriously comfortable and surprisingly lightweight, perfect for the firearm enthusiast seeking the next generation of hearing protection. Friendly, US-based customer service team. Give instructions and keep aware of your surroundings with Tactical Sound Control. ADVANCE delivers natural sounding communication while protecting you from high-impact noise. Don’t Lose Your Grip with Tactical Buttons. Raised rubber buttons are designed for accessibility while wearing gloves. Even without gloves, you’ll be thanking us for easy-to-locate controls. Shouldn’t Get in Your Way. Designed for long days, ADVANCE prioritizes performance and comfort. Stays out of your way so you can make your best shot. Block 26 dB of Damaging Noise. Most gunshots will register around 150-170 dB. At these levels, hearing damage can occur quickly. Combat those dangerous noise levels and shoot safely all day long. Who says these are just for the range? Equipped with Bluetooth, you can enjoy music or take calls with ease. Simply connect to 2 devices for automatic syncing. ADVANCE Bluetooth hearing protector. 4 pairs of TRILOGYT eartips (XS, S, M, L). One pair of triple flange eartips. Micro USB charging cable.