... and power up to 500mA each port.4.USB 2.0 HUB with 4 port, every port can roll over ... ,Mac OS9.1 or higher11. LED Indicator 12. Color:White,green,blue,red,pink,purple. *Single chip integrated USB ... for gift promotion.* Perfect for connecting USB 1.1or 2.0 perpherals such as USB mouse, scanner, digital camera, ... for high accuracy and reliability. 4 port usb2.0 hub/mini human usb hub white,green,blue,red