The Green Lion Aluminum Alloy Shell Type C to HDMI Adapter Black has a great quality feature and flexibility for a seamless connection. The shell is made of durable PVC and aluminum alloy, giving it a look and longevity. Transfer data in 4K@30Hz and get crisp-clear and very professional or entertainment-oriented pictures. Mirror Mode and Extended Mode are the features that allow the user to duplicate or "extend" the screen for multitasking. It is a perfect plug-and-play dependency, so there is no need to download any other drivers or programs to make it up to the user. The adapter is compact and efficient for connecting Type-C devices to HDMI-enabled displays. Specification ?Material: PVC + Aluminum Alloy Data Transfer: 4K@30Hz Features Mirror Mode Plug and Play Extended Mode