Enjoy a truly impressive high-performance sound quality. Our Rebel headphones are acoustically perfected and balanced. 5 Hour Battery Life Rechargeable five hour battery provides all day power for your mobile life. Music, Call & Control The built-in microphone and on ear controls let you easily control your music, adjust the volume, and answer/end phone calls directly on the headphone. Bluetooth Wireless Technology Connect your smart phone or tablet wirelessly with Bluetooth technology or go wired with the integrated auxiliary headphone jack. Slim Foldable Design Perfect for travel, the foldable design keeps your headphones small and compact for easy packing.