The Colorful Cube High-Speed USB 2.0 Hub with 4 ports can be connected to either USB 2.0 High-Speed port or USB 1.1 peripheral devices.We offer USB hub of extremely high quality. This USB Hub is fully compatible with Windows and Mac computers, and supports all earlier USB devices. Friendly and ergonomic design Laptop Hub, more color, plug and play installation. Compliant with bluetooth card reader, USB mouse, USB keyboard, scanner, digital camera. USB audio card, hard disk etc. provide up to 500ma per port.