Skque NEW 4 PORT HIGH SPEED MINI USB 2.0 HUB 4 LAPTOP PC [PC] Fully compliant with the Universal Serial Bus.4 port high speed USB HUB.Calbe length: 33inches / 84mm. Single chip integrated USB hub controller with embedded proprietary processor. support four bus-powered USB hub controller.Support four bus-powered downstream ports. Built-in 3.3 voltage regulator allows single +5V operating voltage, result in reduced overall system cost. Provide up to 500mA currency to each port which is sufficient for diverse devices, Hot Plug & Play.