Description7 USB ports allow to connect more USB devices to your computer.Compliant with USB 3.0/2.0 specification.Date transfer rate up to 5.0Gbps & 480Mbps. Stable and reliable chipset GL3520 & FE1.1.4 USB 3.0 ports & 3 USB 2.0 ports available.Supports up to 7 USB devices at the same time.Plug & play and hot swapping capability.Easy installation and no driver required.Easy to carry by hidden design data USB cable.Support Windows XP / Vista / 7 / 8， Mac OS X 10.2 or above.Individual port over-current protection.Bus-powered mode and no external power required for low consumption devices.5V/2A DC Jack available to provide more stable power while using several USB devices at the same time. (USB DC cable included)Please note that for some high current consumption devices， like 3.5" HDD/SDD， there is external power required to these devices directly.Package Content:1X Brand New 4 Port USB 3.0 & 3 Port USB 2.0 HUB. 1X USB DC Cable.