Connect mouse, keyboard, phone and USB drivers to USB-C notebooks all together. The Lenovo Select 4-Port USB Hub is an extension for USB-C notebook users who use multiple USB devices. Weighing only 40 grams, it’s sleek, and easy to fit in your pocket or carry case compartment, so you’ll always have it handy. The USB 3.0 port and USB-C port supports to charge and transmit data for the USB device simultaneously.