The audio entertainment you want. The comfort and hearing protection you need. The new and improved 3M WorkTunes Connect Hearing Protector is built with Bluetooth wireless technology, a 26 dB Noise Reduction Rating and upgraded sound quality to help you make your work more enjoyable than ever. Unlike standard headphones, this hearing protection is designed to help keep hazardous noises at bay while you stream music, podcasts, and audiobooks from your smartphone or other mobile devices. Make or take phone calls without removing your headset or reaching for your phone. Water and sweat resistant, these hearing protection headphones are designed for durability and extended wear. Whether you're sawing or mowing, plowing or drilling, the soft, conformable earcups, vented headband and lightweight, low-profile design help you stay comfortable on the job.