1. The beauty of technology is visible 2. High-function, high-power 7-port HUB 3. Vertical socket, more convenient for expansion 4. Solve the problem of insufficient expansion of USB interfaces computers 5. 11-port USB30 interface, 5Gbps rate multi-channel data and power transmission, giving you an efficient work experience Rate:5Gbps Product power supply:USB power supply Type:B:Without Power Adapter Colour:Gray Material:Aluminum alloy Size:12.3x4.27x1.9cm Package Contents: 1 * Host 1 * USB3.0 cable 1 * English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.