Advanced Noise Reduction Technology: The for EARMOR M20 Electronic Earplugs are designed to protect your hearing in loud environments. Ideal for hunting sports, these earplugs feature state-of-the-art electronic dampening technology that automatically reduces harmful noise levels while allowing normal conversation and ambient sounds to be heard.<br> Comfortable and Secure Fit: Tailored for extended wear, the M20 earplugs offer a comfortable fit that stays secure during active use. the ergonomic design ensures maximum protection without compromising on comfort.<br> Durable and User-Friendly: Built to withstand rugged use, these headphones are both durable and easy to operate. With intuitive controls, users can easily adjust settings on the go, making them a reliable choice for any outdoor sports enthusiast.<br> Noise reduction value+NRR22<br> Intuitive one click operation<br> Equipped with 3-speed adjustable sound gain function to enhance auditory perception<br> Rechargeable, high battery life<br> Two sound modes (indoor and outdoor)<br> Power on, power off, low battery prompt<br> Charging automatic shutdown, no operation for two hours automatic shutdown<br> High portability, high comfort, and high compatibility<br> IPX-4 waterproof rating<br> Due to different batches, there may be differences in product printed text, which will not affect use.<br> Colour:A:Orange/B:Fluorescent Green/C:Green/D:Brown/E:Bright Yellow<br> Material:ABS<br> Package Contents:<br> 1 * Electronic Earplugs kit<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.