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: Designed for extended wear, the M20 earplugs provide a comfortable and secure fit during active use. The ergonomic design ensures maximum protection without compromising comfort. Durable and User-Friendly: Built for rugged use, these earplugs are durable and easy to operate. With intuitive controls, users can easily adjust settings on the go, making them a reliable choice for outdoor enthusiasts. Noise Reduction Rating (NRR): 22 dB One-click operation Three-speed adjustable sound gain function to enhance auditory 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; device powers off after two hours of inactivity High portability, comfort, and compatibility IPX4 waterproof rating Note: Product text may vary slightly between batches, but this does not affect functionality. Color options: Orange, Fluorescent Green, Green, Brown, Bright Yellow Material: ABS Package Contents: 1 x Electronic Earplugs Kit Note: Other items not included. Note: Lighting and display differences may cause slight color variations between the image and the actual product. Measurement error allowance: +/- 1-3 cm.