Factory new fashion 4 port usb hub Own Brand and OEM Factory 1. 4 USB 2.0 high speed ports 2. Supports up to 127 hi-speed devices 3. Supports data transfer rate at 1.5, 12 and 480Mbps 4. Provide up to 500mA per port sufficient for diverse devices 5. Plug-and-Play installation 6. Supports Windows98, 98SE, 2000, ME, XP, Mac OS 8.6 or above 7. Hi-speed downstream ports with USB a female connectors 8. Hi-speed upstream port with A/M