[ http://www.ankaka.com/stylish-4-port-usb-20-hub-with-clock-compatiable-with-vista-mac-osx_p391.html ] Instruction - Vista + Mac OSX 4 Port USB Hub W/ Digital Clock Highlights... * Stylish 4 port USB hub * Transfer rate of up to 480Mbps * Powered by computer - No software or power adapters needed * Built in Adjustable Analog Digital Clock [ http://www.ankaka.com/stylish-4-port-usb-20-hub-with-clock-compatiable-with-vista-mac-osx_p391.html ] To see more Ankaka Wholesale Cool Clocks: [ http://www.ankaka.com/Wholesale-cool-clocks_c10030 ]