4 Ports USB HUB 2.0 USB Splitter Adapter with Anti Dust Cup(Black)

1) Expand four USB port supply up 500MA current per port 2) No external power supply 3) Driverless hot plug & play 4) Internal over current protection circuits 5) Chains up to 127 USB devices 6) Compatible windows 95/98/2000/xp or MAC 8.6 above Features: 1) Adds 4 USB 2.0 Hi-Speed ports backwards compatible with 1.1 2) Fully compliant with USB 2.0 Specification 3) Supports data transfer rate at 1.5/12/480 mb/s 4) Friendly & ergonomic design easy to protect 5) Plug & play installation 6) Top-loading 7) Individual port over-current protection friendly ergonomic design easily portable 8) Hi-speed downstream ports with USB A Female connectors 9) 1 Hi-speed upstream ports with Mini USB 5P jack