4 Ports USB 2.0 HUB

4port usb hub Features and specifications: 1.Fully compliant with USB2.0 specification. 2.Supports up to 127 Hi-Speed devices. 3.Backwards compatible with USB1.1 4.Supports data transfer rate and 1.5/12/480Mbps. 5.Individual port over-current protection. 6.Friendly & ergonomic design, easily portable. 7.Provide up to 500mA per port sufficient for diverse devices. 8.Plug & Play installation. 9.Support WIN 98/ME/2000/XP/Mac OS. 10.Hi-Speed downstream ports with USB A Female connectors. 11.Hi-Speed up stream port with Mini USB 5P jack. 12.full speed and high speed two types