Specifacation version1.1 / 2.0, full speed up to 480Mbps Support four bus-powered downstream ports.Supports Windows 98 / 2000 /ME / XP / Vista / Mac OS 8.6 and higher Built-in 3.3 Voltage regulator allows single +5V operating voltage, resulting in reduced overall system cost Provide up to 500mA current to each port which is sufficient for diverse devices, plug and playDisign with super streamline & mini size Cable length: 0.8 meter

USB 2.0 4 port Round Mini HUB