Fully compatible with USB specification version 3.0 Half-transparent design and with blue LED for power ON/OFF switches activate or deactivate individual ports Designed with 7-port, this compact USB3.0 high-speed hub is small enough for travel and cable enough to meet your connectivity needs Item Name:USB HUB 3.0 USB Ports: 7 Cable:About 120CM Date Transfer Rate:Upto 5Gbps Color:Black Compatible: WindowsXP/Vista/7/MAC OS 9.1 or higher