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

SMART SENSE: Advanced situational awareness technology empowers users to hear their surroundings by intuitively amplifying faint sounds to improve communication clarity while reducing high impulse or continuous noises down to a safe listening level PREMIUM AUDIO QUALITY: Immerse yourself in superior sound with deep bass, clear mids, and crisp treble, thanks to cutting-edge Bluetooth 5.1 technology HEARING PROTECTION: Noise Reduction Rating (NRR) of 23, these Earmuffs not only deliver exceptional audio but also protect and preserve your hearing PRECISE AUDIO CONTROL: Independently adjust Smart Sense and Bluetooth volumes with the dual-knob design EXTENDED BATTERY LIFE: Enjoy uninterrupted listening for up to 25 hours on a single charge, thanks to the fast-charging USB-C rechargeable battery ALL-DAY COMFORT: Designed for extended wear, these earmuffs feature a vented headband for cool comfort during hot summer days, and soft memory-foam ear cushions for a snug fit every time DURABLE DESIGN: Built tough with 6.6-Foot drop protection and IPX4 water-resistant rating

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