Hub Type A 4 Ports / Aluminum Alloy Technical Sheet / Data Sheet Material: ABS + Aluminum Alloy USB3.0 x 1: 5.0Gbps (Max), 70m/s(Normal) USB2.0 x 3: 480Mbps (Max), 20m/s(Normal) Length of cable: 10cm Product size: 8.9 x 1.7 x 0.9cm N/W: 32g Color box size: 8.8 x 1.7 x 0.8cm