Solve the problem of scarcity of notebook interfaces, using Aluminum alloy material, the heat dissipation is even and smoother when used. The compact size makes it easy to carry and can be used anytime, anywhere. Three 3.0 USB interface, One SD card reader(Large) and another TF card reader(Small). The five interfaces are used at the same time, allowing you to have more operation methods. Generally speaking, if you need it, then it will be the most effective assistant in your office.The cable is 5.9″ long. You can choose the USB port or the Type-C port.