Descriptions:

4 ports hub， high speed up to 5 Gbps.
Fully compliant with USB 3.0\/ 2.0\/ 1.1.
Plug and play， no driver installation required.
Supplies USB bus power(when power adapter connected).
4 Downstream(USB 3.0 A-type) ports and 1 Upstream port.
Automatic switching between slef-powered and bus-powered mode.
Portable size， Compact， light weight design， easy for travel ，easy to take.
Supports Windows 7\/ Vista\/ 2008\/ XP\/ 2003\/ 2000\/ Mac OS(10.X or above)\/ Linux.
Built-in over current protection circuit cut-off， protect your computer and devices.
Supports high-speed (5G Mbps)， full-speed (480 Mbps) and low-speed (12 Mbps) USB device profiles.
This USB 3.0 4 ports external hub offer a super speed， allows you to connect to a variety of USB devices such as scanners， printers， digital cameras， camcorders， speakers， mice， keyboards， external drives， MP3 players and more!
Specification:
Color: White
Net Weight: 32g
Connecting Port Type: USB
Over-Current Protection: Yes
USB Cable Length: Approx.81cm
Product Type: 4 Ports USB 3.0 HUB
USB Port in Use LED Indicator: Yes
Color of LED Indicating Light: Blue
Dimension: 8.0(W) x 4.3(H) x 1.5(L)cm
Bus-Power Limit Current Protection: 900mA(When external adapter applied)
Package Included:
1 x USB Cable
1 x USB 3.0 4 Ports Hub