AXIL GS Extreme 3.0 Hearing Protection Bluetooth Earbuds give you electronic hearing protection, noise isolation, and Bluetooth functionality all in one unit. The advanced electronic system automatically compresses harmful sounds above 85dB, providing instant ear protection from gunshots, engines, and power tools. At the same time, the GS Extreme 3.0 amplifies safe sounds up to 5x, allowing you to hear voices, movement, and environmental sounds without removing the earbuds. With a proper foam seal, the GS Extreme 3.0 delivers up to 21dB noise reduction rating while letting the world around you stay clear and sharp. Plus, Bluetooth 5.3 technology lets you take phone calls and listen to music. SmartSound Balance technology automatically manages sound levels between your environment and your media, keeping your hearing safe without dulling your awareness. Simple tap-and-go controls make switching modes easy. The Lock-n-Loaded fit system combines multiple Concha lock sizes, foam and silicone tips, and earhooks for a custom seal in any condition. Battery Boost technology provides up to 15 hours of use on a charge. Includes carry case, USB-C charging cable, 8 pairs of silicone and foam tips, and 3 sizes of Concha locks. Provides hearing protection, noise isolation, and Bluetooth function in one unit Automatically compresses harmful sounds above 85dB Amplifies safe sounds up to 5x 21dB noise reduction rating Bluetooth 5.3 lets you take phone calls and listen to music Lock-n-Loaded fit system combines multiple Concha sizes, foam and silicone tips, and earhooks Up to 15 hours of use on a charge Includes carry case, USB-C charging cable, 8 pairs of silicone and foam tips, and 3 sizes of Concha locks