Fast data transfer1 port usb 3.0 hub, Larger data transfer becomes easier, 3 port usb 2.0 hub, Can be a good solution to the number of USB interface problem Plug and Play no driver and software required, quick identification of the device, USB 3.0 Super Speed data transfer up to 5Gbps Aluminum alloy shell protectionThe built-in smart chip avoids short circuits. Aluminum shell, with good metal texture. Wide range of USESHub Extensions meet the multi-port expansion requirements of the device.Charging, USB flash drive, mouse, keyboard. Service GuaranteeDon't worry, if the product does not work or you are dissatisfied for any reason, We provide a 1-year warranty. We take your suggestions very seriously. We are always with you.