Model : 4 Ports USB 2.0 (compatible with USB 1.1)Hardware Interface : USBTotal Number of Ports : 4Material : ABSUSB 2.0 hub support 500GB HDD and hi-speed 480MBPSBus-Power limit current protection : 500mAGood quality 4 port USB hub with on / off switchMulti USB port : USB Hub 2.0 for keyboard, mouse, HDD, wireless network card, digital camera, smartphones, usb lamp, card reader, scanner, printer, USB fan and more