• Built-in Overvoltage/Overcurrent/Leakage and Short-Circuit Protection Unit, let you use it more easily

• Multi USB Port Expander: Easily connects 4 USB devices to your PC,laptop simultaneously, such as keyboard, mouse, reader, HDD, webcam, mp3 players, etc

• Plug and Play Compatible, USB Bus Powered , No Additional Power Adapter Driver or Application NeededIndividual Switches: This 4 port USB hub built-in on and off switches, being able to turn on or off the separate USB port without unplugging the equipment

• Super Data: The USB 3

• Hub extension provides up faster data speeds let you transfer an movie in few seconds, backwards compatible with USB 1