Advanced Noise Reduction Technology EARMOR M20 Electronic Earplugs are designed to protect your hearing in noisy environments. Perfect for hunting sports, these earplugs feature stateoftheart electronic attenuation technology that automatically reduces harmful sound levels while still allowing normal conversation and ambient sounds to be heard. Comfortable and Secure Fit Tailored for longterm use, the M20 earplugs offer a comfortable fit that stays securely in place during active use. The ergonomic design ensures maimum protection without compromising comfort. Durable and UserFriendly Built to withstand tough use, these headphones are both durable and easy to use. With intuitive controls, users can easily adjust settings on the go, making them a reliable choice for any outdoor enthusiast. Noise reduction valueNRR22 Intuitive oneclick operation Equipped with 3speed adjustable sound amplification function to improve hearing perception Rechargeable, long battery life Two sound modes indoor and outdoor Power on, power off, low battery Automatic power off when charging, no use for two hours automatic power off High portability, high comfort and high compatibility IP4 waterproof rating Due to different batches, there may be differences in the printed tet of the product, which does not affect the use. ColorAOrangeBFluorescent GreenCGreenDBrownELight Yellow MaterialABS Package Contents 1 Electronic Earplugs Kit The above package content only, other products are not included. 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 13 cm.