... can be re-programed by wholesaleUSB Hub3 port HUB,USB 2.0. USB 1.1 CompatibleClassical design, ABS shell, plug-n-play ... , low power consumptionApplicatable to: USB flash drive, card reader, USB mouse, USB keyboard, scanner, digital camera, Digital camcorder, USB sound card, hard drive case ... for Mac OS 9.x and above.USB 2.0 data transfer rate up to 480Mbps, Power supply: USB 5V/500mA usb hub Web key