Features: Premium Material: Made of premium sturdy shell is durable and lightweight easy for you to install and operate. Ultra Slim and Portable: Ultra slim design for laptop small enough to be functional without taking up space a good helper for home office business trip or anywhere you go. Easy to Use: Plug and play USB 3.0 2.0 hubs are automatically recognized by most operating system. No external power supply or driver is required. Our hubs do not interfere with signals. Portable: Short small design. Compact and universal ideal to carry around. A wonderful choice for data reading. Perfect for anyone. After-sale Service: If you have any questions please feel free to contact us and we will give you a satisfactory reply. Specification: Type: Reusable Ports Quantity: 7 Transmission Speed: USB 3.0 Cable Length: 30cm Color: Black Notes: 1. Due to the lighting effects and shooting angles there is a color difference in the product please understand. 2. Due to manual measurement there is a tolerance in the product size. includes: 1 * USB Hub