3M Earmuffs, w/Bluetooth/Built-in Microphone, NRR 24, BK

Enjoy hearing protection and entertainment using the 3M WorkTunes Connect Wireless Hearing Protector with Bluetooth Technology.

It combines a modern, comfortable design with Hi-Fi sound quality.

This innovative hearing protection lets you conveniently make and take phone calls while you're on the job.

These ear-protective headphones allow you to stream the entertainment of your choice from your smartphone or other mobile device while providing ear protection in noisy environments.

Low-profile, lightweight design is crafted with style in mind.

Built-in comfort features, such as soft ear cushions and a hat-compatible, low-pressure headband, are excellent for extended wear.

Safe Volume control technology allows increased volume yet corrects to maintain safe levels over an eight-hour workday.

Audio assist technology provides setup and operational guidance without having to remove the headset.

NRR 24 earmuffs require two 1.

5-Volt AA batteries (sold separately).