It is widely used in notebooks, mobile phones, tablets and other devices with USB 3.1 Type C interface. Easy to use. Just plug it on your notebook ,connect with your devices, smartphones , SD/TF card and other devices ,without any requirement of software, drivers or complicated installation process. Allow you to do presentation and share your idea through extra projectors, browse pictures and stream movies from small laptop to your TV/monitor,4K HDMI high definition output ensure everything looks better on the big screen.