This MHL 3.0 adapter by Delock enables you to connect e.g. your smartphone to a TV with UHD support and to watch pictures or videos in UHD quality by using an optional HDMI cable. Furthermore the adapter provides a standard USB Micro-B female port on the side. Connect the power supply of your smartphone to the USB Micro-B port, in order to play a video and to supply power to your mobile device at the same time.