EARMOR M20 electronic earplug NRR22db noise, tactical headset for IPSC Shooting hunting hearing protection Main features: EARMOR M20 MOD3 Electronic Earplugs Headset Anti Noise Earplug Noise Reduction For Hunting Silicone Earpads Shooting NRR22db -Noise reduction NRR22 -Intuitive one-button operation - Rechargeable battery, high battery life -2 sound effects (indoor and outdoor) -Power supply, low battery prompt -Automatic shutdown after charging, automatic shutdown after 2 hours of standby -Portable, convenient and compatible -Anti-lost silicone support cable -3 sizes of ear cover and earbuds - The included data cable can be used for charging -IPX-4 water resistance Black colour M20 MOD3 electronic earplug is a more comfortable and perfect hearing protection. It adopts in-ear electronic hearing protection, which can help to reduce continuous noise and impulse noise, while suppressing dangerous sounds higher than 82 dB, and improve perception and communication in noisy environments. There are two modes inside and outside to adjust the ambient sound. Suitable for use in high noise environments such as shooting training, law enforcement, manufacturing and construction, making your work comfortable and efficient. Battery life can be up to 8 hours and a low battery reminder. The portable battery case does not require battery replacement, which is convenient for charging. Compared to traditional noise canceling headphones which are smaller and lighter in weight, electronic earplugs combine compatibility, portability and comfort. It comes with a silicone support cable to prevent loss, and accessories such as the headphone cover and different-sized earbuds are comfortable for users with different ear sizes.