4-Port Mini USB Hub - Connect USB Devices Easily (Translucent Blue) 4-Port Mini USB Hub General Features : Translucent blue color 4-ports USB 1.1 compliant (Compatible with USB 2.0) Green LED light 12 MHz frequency Built-in 3.3v voltage regulator Bus powered/self powered Driverless Hot Plug and Play Built-inUSB cable (37-inch length, approximate) Regulatory Approvals: FCC CE