Advanced Noise Reduction Technology: The EARMOR M20 Electronic Earplugs are designed to protect your hearing in loud environments. Ideal for hunting and 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. 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. Durable and User-Friendly: Built to withstand rugged use, these earplugs 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. Noise Reduction Rating (NRR): 22 dB Intuitive one-click operation Equipped with 3-speed adjustable sound gain function to enhance tory perception Rechargeable with high battery life Two sound modes (indoor and outdoor) Power on, power off, and low battery prompt Charging automatic shutdown; auto power-off after two hours of no operation High portability, high comfort, and high compatibility IPX4 waterproof rating Due to different batches, there may be differences in product printed text, which will not affect use. Color: Green Material: ABS Package Contents: 1 x Electronic Earplugs Kit Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. Measurement may vary by +/- 1-3 cm.