This multi-port hub is plug-and-play and does not require any software, drivers or complicated installation process. Aluminum alloy shell design can provide better heat dissipation and high durability. This hub has 4 USB ports design, so it can provide you with enough ports to connect mouse, keyboard, USB disk and portable hard drive conveniently. It is constructed of aluminum alloy material. The length of this product is 8.5cm and width is 1.7cm. It is suitable for devices with Type-C/USB interface such as cell phones, tablet, laptops, PCs, etc. Item Name: Docking Station Material: Aluminum Alloy Transmission Rate: 3.0 Features: High Speed, Plug and Play, 4 in 1 Size Details: L: 8.5cm/3.35", W: 1.7cm/0.67"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Docking Station