The 7-in-1 USB C Hub to 4K HDMI-Compatible Type C Adapter OTG Thunderbolt 3 Dock with PD TF SD is a versatile and convenient accessory for users of Macbook Pro/Air, iPad, XPS, and Surface devices. With its multiple ports and functions, including HDMI-compatible 4K output, fast PD charging, ultra-fast data transfer, card reader functionality, and wide compatibility, this USB C hub is designed to enhance your productivity and expand the connectivity options of your laptop or tablet.