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3M™ WorkTunes™ Connect Wireless Hearing Protector Earmuffs with Bluetooth® Technology, 90543EC1 (94-105 dB) | 3M United Kingdom
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3M WorkTunes Connect, Bluetooth Ear Defenders Wireless, 90543EC1, Hearing Protector Earmuffs, Connect your Mobile Phone, 30+ hours battery life, Rechargeable, (94-105 dB), Black, 4.02x7.44x5.91 : Amazon.co.uk: DIY & Tools
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3M™ WorkTunes™ Connect + Gel Cushions Hearing Protector with Bluetooth® technology | 3M United States
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3M Pro Series WorkTunes™ Wireless Bluetooth Earmuff with AM/FM, Call Connect + Streaming (SLC80 27.9dB, Class 5) | Earjobs
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