The E-Max Power Cords are Bluetooth ear plugs that allow you to listen to your favorite music on your mobile device all while protecting your hearing on the range. Complete with high-quality stereo sound and a corded design that keeps them together these plugs are rated with a 25dB noise reduction rating. - Bluetooth compatible with mobile devices - 25dB NRR - High quality stereo sound - Corded design keeps earplugs together - Illuminated on/off indicator - Auto-shutoff (4 hours without touching controls) - Multiple size tips for custom fit