uxcell Orico Authorized DC 5V W5PH4-U3-BK Super Speed 4 Ports USB 3.0 HUB ORICO W6PH4-BK Provides 4 SuperSpeed Usb 3.0 Ports for Data Transfer and Charging. Built-In Overvoltage/Overcurrent/Leakage and Short-Circuit Protection Unit. Plug and Play Compatible , Usb Bus Powered , No Additional Power Adapter Driver or Application Needed It Can Be Used On Usb3.0 HDD, High-Resolution Camera, Video Surveillance Cameras, Digital Video Cameras Etc. Unique Slim Size with Integrated 30cmt Usb3.0 Cable Easy for Carrying or Travelling