7-in-1 USB-C Hub: Expands computer ports into an HDMI output port, a USB-C charging port, 3 USB 3.0 ports, and a SD and TF card reader 4K HDMI Video Output: Delivers high-definition audio and video; up to 4K (3840x2160@30Hz) resolution and you never worry about blur, distortion and delay Super Speed USB 3.0 Port: Enjoy data transfer speeds of up to 5 Gbps; can transfer an HD movie in seconds Power Delivery and Data Transfer: Charge your laptop while connecting all supportable peripherals to transfer data Slim & Compact: Fits easily in bags and purses, allowing you to expand your computers' capabilities while on-the-go; sleek aluminum design perfectly complements Apple accessories