USB-C MULTI-FUNCTION EXTENDER(5-IN-1). This high-efficiency USB-C expansion dock combines five ports, including HDMI,SD and TF cards and two USB3.0 ports. The USB-C Hub 5-in-1 will expand your computer interface with little space to solve the problem that you are limited by the number of interfaces. Of course, all USB-C hub ports can work simultaneously. 4K HDMI ADAPTER FOR VIVID VISUAL EFFECT. The HDMI adapter up to 4K resolution transmission can ensure you in the monitor, projector, all kinds of large screen enjoy extremely clear picture quality. Simply connect an HDMI cable (2.0 or higher) from your monitor to an USB adapter, for brilliant video output up to 4K@30Hz.