Feature : Wired Gigabit Ethernet Port More Stable - Compared with wireless WIFI,the wired one will not be interfered by the external network environment fast and stable USB3.0 1G file=10s - The transmission of USB3.0 is up to 5Gbps 10 times faster than USB2.0 3-Port Simultaneous Expansion - Compatible with various intervace enabled devices 500mA Current Easily Drive the Disk - Support 500mA current supply for disk,no need of additional power supply Connect Mouse/Keyboard,Enjoy Games - OTG adapter is required for micro USB phone Similar Aluminum Process as Mac Book - Perfect match with Ultrabook