USB 3.0 Hub 4 Ports Dockinstance helps you connect up to 4 USB devices to your computer, e.g. external hard drives, USB sticks, mouse, keyboard, USB headphones, etc. Backward compatibility to USB 2.0, 1.1 and 1.0. Ultra Slim Design, Specially designed for laptops and Ultra PC.USB 3.0 Hub supports super fast data transfer up to 5Gbps, 10X faster than USB 2.0(480 Mbit/s). This allows you to transfer HD movies in just seconds. No drivers are required for Windows 10/8/7/Vista/XP and Mac OS X, Linux and Chrome OS. MacBook 2016/2017, MacBook Pro 2016/2017, iMac 2017, iMac Pro, DELL XPS 13/12/15,Inspiron 5000/7000, Precision 5000/7000,AlienWare, 13/15,Lenovo Miix 510,ThinkPad 13,ThinkPad X1 Carbon, Lenovo Yoga 710, HP PAVILION 15/ENVY 13/SPECTREThe LED indicates whether all USB interfaces are successfully connected. If you connect high power devices (more than a total of 900 milliampere) to the Hub, you will also need the appropriate power supplyStable and Safe: The USB Dock Station with built-in surge, fault current and fail protection protects your device as well as your data and supports hot swap. The hub can be plugged in and pulled out 10000 times.