... .Ideal for laptop or desk 4 port 2.0 usb hub with switch 1. Adds 4 USB 2.0 ... Supports up to 127 Hi-Speed devices.5. Individual Port Over-Current Protection.6. Friendly & ergonomic design, easily ... portable.7. Provide up to 500mA per port sufficient for diverse devices.9.Plug & Play installation.10 ... ,Windows ME,Windows XP,Windows VISTA, Mac OS 8.6 or above.11.Hi-Speed Downstream ports with ...