The small light weight design allows for a quick plug and play connection anytime and anywhere. Use the 4 port USB 2.0 hub on such USB enabled devices such as printers, digital cameras, scanners, USB hard drives, USB DVD ROM and much more. The 4 port USB 2.0 hub is user friendly, just plug it into your USB port and start connecting your devices. Specifications InterFace: USB 2.0 and backwards Compatible Supported Data Transfer: 1.5/12/480Mbps Indidividual Port Over-Current Protection Provide up to 500mA per port sufficient for diverse devive OS Supported: Windows 98/Me/2000/XP /Mac OS 8.6 or above Support: Up to 127 Hi-speed Device.