Specifications:
USB power supply mode and DC power supply mode.
USB3.0 ultra-high speed transmission rate, transfer rate up to 5Gbps per second.
Backward compatible with USB2.0, USB1.1.
Hubs and each peripheral device support plug and play and hot plug functions.
4-port each overcurrent detection and protection design.
Built-in LED indicator shows the USB power supply, DC power supply, USB peripheral device connection status of each USB port in.
No need to install any drivers.
Compatible with Windows 7/Vista/XP and other operating systems.

Type: Expansion Hub
Transfer Rate: 5Gbps
Connection Interface: USB 3.0 x 4
Compatible Systems: for Windows 7/Vista/XP
Features: Plug and Play, Easy to Use
USB Cable Length: 30cm/11.8" (Approx.)

Package include:
1 x 4 Ports High Speed USB 3.0 HUB