OTTO NoizeBarrier micro electronic earplugs provide exceptional situational awareness and clear communication, while effectively protecting against loud noises. They offer up to 40 dB of impulse noise protection and up to 15 dB of adaptive noise attenuation. The hearing enhancement mode amplifies soft sounds by up to five times, allowing for natural hearing of safe sounds. Featuring Accu-Technology for high-definition sound quality, these earplugs have a one-button touchpad for dual-mode operation. Both the earpiece and case are IP67 water-resistant. The dual-mode NoizeBarrier earplugs deliver active hearing protection and enhancement, facilitating precise sound localization and detection. They are rechargeable, providing up to 16 hr of continuous use and come with a 1 year warranty.