2.0 USB  HUB 4Ports  with Ruler

1) Fully compliant with USB 2.0 specification
2)Supports up to 127 Hi-Speed devices
3)Backwards compatible with USB 1.1
4)Support data transfer rate and 1.5/12/480Mbps
5)Individual port over- current protection
6)Friendly & ergonomic desigh, easily portable
7)Provide up to 500mA per port sufficient for diverse devices
8)Plug& play installation
9)Support WIN98/ME/2000/XP/Mac OS
10)Hi-Speed downstream ports with USB A Female connectors
11)Hi-Speed up stream port with Mini USB 4P jack