Transparent fuselage design Visible transmission unique transparent design Reserved power supply port Dual power supply port,5V/0.9A, which can drive high-power mobile hard disk 3.0 USB extension,transmission, Bluetooth reception, solved together! U disk/card reader/mouse/keyboard Use the daily universal Android Micro-USB cable for power supply. Each USB3.0 can output 5V 90mAh One-for-four desktop expands the powerful performance of 5Gbps high-speed data transmission, and it is more convenient to use one-for-four desktop Drive free,plug and play Compatible with Windows, Os and other systems Name:4-in-1 USB 3.0 Hub Output:USB A*4 Transfer Rate:5Gbps Cable Length:50cm/100cm Support Systems:Windows, OS Colour:Transparent Material:ABS Package Contents: 1 x USB Hub 1 x Data Cable 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.