HDMI port: 4Kx2K@30Hz resolution Transmits high-definition audio and video from computer or tablet to HDMI display for streaming and gaming with resolution up to full aperture 4k(3840×2160 @30hz) (4k) . Also, supports 1080p, 720p, 480p and other. USB3.0 port: High Data Transferring Speed With transfer rate up to 5 Gbps, allows you to connect your existing USB devices, such as keyboard, mouse, HDD, flash drive for syncing your iPhone or other devices. USB C port: Power Delivery Function USB Type C 3.1 port: Female Port (Power Delivery Charging Function): Supply power from usb c power adapter for usb c pc/phone/tablet by pluging the usb c to usb c cable to usb c male port. Automatically adapt to 5W-60W. This Hub allows to charge the device while using the hdmi port or usb 3.0 port.