Axil GS Extreme With Bluetooth Wireless Earbuds - Say goodbye to bulky earmuffs and hello to GS Extreme -the first earbuds ever to combine hearing protection, hearing enhancement, and studio-quality earbuds all in one sleek and comfortable product made from medical-grade components. Works With Hats, Sunglasses, And High Wind Enhances Your Hearing Up To 6X Provides A 29dB Noise Reduction Rating (NRR) - 50% More Than Most Earmuffs Auto Shut-Off Feature Shuts Off Sounds Over 85 dB To Preserve Your Hearing 5.0 Bluetooth For Studio Quality Audio & Hands Free Communication Use Hearing Enhancement & Hearing Protection Mode Independently, Or You Can Use Them With 5.0 Bluetooth All At The Same