Adds 4 USB Hi-Speed ports at the four feet of the lovely little mouse Fully compliant with USB 2.0 specification Backwards compatible with USB 1.1 Support data transfer rate at 1.5/12/480 Mbps Individual port over-current protection It can be used with scanner, digital camera, audio frequency system, monitor, input device,etc. Friendly and ergonomic design, easily portable. Plug and play Provide up to 500 mA per port sufficient for diverse devices Support up to 127 Hi-Speed devices Support windows 98/2000/Me/XP or Mac OS 8.6 or above Package Size:12.0 * 12.0 * 10.0 ( cm )
