3M WorkTunes Connect Hearing Protector with Bluetooth Wireless Technology, 24 dB NRR
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3M WorkTunes Connect Hearing Protector with Bluetooth Wireless Technology, 24 dB NRR, Hearing Protection Safety Earmuffs,Black - Amazon.com
3M WorkTunes Connect + Gel Ear Cushions Hearing Protector with Bluetooth Wireless Technology, NRR 23 dB, Hearing protection for Mowing, Snowblowing, Construction, and Work Shops,Black - Amazon.com
3M™ WorkTunes™ Connect + AM/FM Hearing Protector | 3M United States