Klein Tools AESEM1S Smart Sense Electronic Hearing Protection Safety Earmuff with Bluetooth & Situational Awareness, NRR 23dB, 25hr Runtime

SMART SENSE featuring situational awareness technology allows users to safely listen to their surrounding environment and instantly identify potential hazards Intuitive amplification of low-level sounds enhances clear communication between co-workers High impulse, impact or constant sounds are compressed down to a safely listening level of 85dB