Blue Mo-Fi Powered High-Fidelity Headphones with Integrated Audiophile Amplifier Integrated audiophile amp and custom-matched drivers deliver unrivaled sound Revolutionary personalized fit for superior comfort and performance Powered system improves performance of all your devices 50mm titanium-reinforced ultra-responsive dynamic drivers Comes with 1M cable with Mfi Mic, 3M cable, and 6.5mm to 3.5mm adaptor