The next generation in WorkTunes hearing protection and entertainment, the 3M WorkTunes connect wireless hearing protector with Bluetooth technology combines a modern, comfortable design with high-fidelity sound quality. This innovative hearing protection lets you conveniently make and take phone calls. Equipped with Bluetooth wireless technology, these ear-protective headphones allow you to stream the entertainment of your choice from your smartphone or other mobile device, while providing hearing protection in noisy environments. The low profile and lightweight design is crafted with style in mind. Built-in comfort features such as soft ear cushions and a hat-compatible headband are excellent for extended wear. Whether you're using a power saw or mowing the day away, reach for 3M WorkTu­nes connect hearing protector with Bluetooth technology to help make your workday entertaining and–most importantly ­comfortable. NRR of 24 dB (Noise Reduction Rating) Bluetooth technology lets you seamlessly stream entertainment from your mobile phone and any other Bluetooth enabled device High fidelity speakers provide premium sound quality INTEGRATED MICROPHONE lets you make and take phone calls without removing the hearing protection CORD AND ANTENNA FREE design lets you move easily on the job