3M Pro-Comms Electronic Hearing Protection with Bluetooth Wireless Technology and External Microphones, Bluetooth Headphones, NRR 26 dB - - Amazon.com
Amazon.com: 3M WorkTunes Connect Hearing Protector with Bluetooth Wireless Technology, 24 dB NRR, Ear protection for Mowing, Snowblowing, Construction, Work Shops : Sports & Outdoors