Advanced Noise Reduction Technology: The EARMOR M20 Electronic Earplugs are designed to protect your hearing in loud environments. Ideal for hunting and outdoor 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 enthusiast. Noise Reduction Rating (NRR): 22 dB One-click operation 3-speed adjustable sound gain function to enhance tory perception Rechargeable with long battery life Two sound modes (indoor and outdoor) Power on/off and low battery indicator Auto shutdown when charging is complete or after two hours of no operation High portability, comfort, and compatibility IPX4 waterproof rating Note: Product text printing may vary slightly between batches, which does not affect functionality. Color: Green Material: ABS Package Contents: 1 x Electronic Earplugs Kit (Only the above items included; other accessories not included) Note: Lighting and display differences may cause slight color variations between the image and the actual product. Measurement error allowed is +/- 1-3 cm.