1) 1 upstream and 4 downstream USB port included
2) Fully compliant with USB specification version 3.0
3) Hot plug & play USB device
4) Half-transparent design with blue LED for power
5) Interface: USB 3.0, compatible with USB 2.0 and 1.1
6) Data transfer rate: 1.5Mbps / 12Mbps / 480Mbps, up to 5Gbps
7) Bus-power limit current protection 500mA
8) Cable length: 60cm
9) Size; 10.5cm x 3.5cm x 2.2cm