Multi-port Expansion Portable Mini USB2.0/USB3.0 Docking Station for Laptop Specifications: This hub is easy and convenient for you to use without driver and additional power due to the use of plug and play design.USB hub can meet the multi-port expansion requirements due to its 3-in-1 design. And it has good heat dissipation, so you can use it more assured.It is constructed of aluminum alloy material.The length of this product is 7.96cm, the width is 1.45cm and the height is 0.73cm. The hub has wide compatibility and is suitable for most USB devices, such as U disk, mouse, keyboard.Item Name: Docking StationTransfer Rate: 5GBNumber of Interfaces: USB2.0/USB3.0Cable Length: NoneWhether External Power Supply: No External Power SupplyFeatures: 3 in 1, High Speed, Good Heat DissipationSize Details: 7.96cm x 1.45cm x 0.73cm/3.13" x 0.57" x 0.29"(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