This expansion dock is plug and play and widely compatible, which is easy and convenient to use. This expansion dock features USB3.0 technology, supporting high-speed and stable data transmission and read and write function. It is constructed of aluminum alloy material, supporting efficient heat dissipation and stable performance. The length of this product is 8.7cm, the width is 2.1cm and the height is 0.9cm. 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 A/B Interface: Type-C, Expansion Ports: USB 3.0 x 1, USB 2.0 x 2, SD, TF, Style C/D Interface: USB 3.0, Expansion Ports: USB 3.0 x 1, USB 2.0 x 2, SD, TF Transmission Rate: 5Gbps Read Speed: 140-150MB/S Write Speed: 90-110 MB/S Features: Multifunctional, Fast Transmission, Lightweight Size Details: L: 8.7cm/3.43", W: 2.1cm/0.83", H: 0.9cm/0.35"(Approx.) Cable Length: 13cm/5.12" (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