& Free tracking # - 10-Port High Speed USB 2.0 Hub Black Plug and play installation, hot plug  Can be powered by external power supply  Fully compliant with USB 2.0 specification 10 ports High Speed USB 2.0 ports  Up to 480 Mbps data transfer rate  Backwards compatible to USB 1.1  With a main control switch Connects to scanners, printers, digital cameras, camcorders, speakers, mice, keyboard, external drives, MP3 players and more Adapter interface: 3.5 mm....Type: Hub....Transfer Rate: 480Mbps....Standards: USB 2.0....Ports: 10USB ports Dimension: 10.5 x 6.2 x 2cm /4.13" x 2.44" x 0.78"(L x W x H)....Adapter interface: 3.5 mm