The Hoco EW43 wireless earbud headphones connect to any device that has Bluetooth. They come with a carrying and charging case for the headphones. You can move freely without having to hold your phone in your hand, allowing you to work, exercise, and engage in other activities, or even drive while on a call. Additionally, connecting the Bluetooth headphones to your device is very simple and quick. Just activate the Bluetooth feature on your device and connect your headphones. Moreover, most Bluetooth headphones have control buttons on the headphones themselves, allowing the user to control their music or answer calls without needing to touch their device.