Radians VX-NANO40 Vertex Nano Wireless Electronic Earbuds offer top-tier hearing protection with unparalleled comfort. These premium in-ear earbuds feature state-of-the-art micro-circuitry, providing two levels of amplification to suit your environment. Whether you need standard hearing or enhanced amplification, these earbuds react in less than 0.02 seconds to shield you from dangerous impulse noises. Designed for all-day wear, the dedicated right and left plugs ensure a snug and secure fit. Each earbud is powered by highly efficient 312 zinc air cells, giving you up to 120 hours of battery life. To get you started, we've included batteries along with an extra bonus set. Enjoy peace of mind and superior hearing protection with the Radians VX-NANO40 Vertex Nano Wireless Electronic Earbuds.