It is easy and convenient to use this expansion dock because it is plug and play and supports hot swap. Featured with powerful chip, this expansion dock supports high-speed and stable data transmission up to 1000Mbps. It is constructed of aluminum alloy material. This expansion dock supports internet connection and interface extension and bring you more convenience. The length of this product is 8.7cm, the width is 2.4cm and the height is 1.7cm. This expansion dock is compatible for laptop, keyboard, mouse, U disk, printer, mobile hard disk and so on. Item Name: Docking Station Material: Aluminum Alloy Style: USB, Type-C Interface: USB to Rj45 Transmission Rate: 1000Mbps Features: Multifunctional, Fast Transmission, Lightweight Size Details: L: 8.7cm/3.43", W: 2.4cm/0.94", H: 1.7cm/0.67"(Approx.) Cable Length: 13.6cm/5.35" (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