2013 new design usb transfer box
* Extended 4 USB2.0 ports line long 80CM
* fully compatible with USB1.1 and usb2.0 devices
* USB2.0 device file transfer rates up to 480Mbps
* No driver, Plug and play, all ports support hot-plug
* Small room, low power consumption, a little heat
* Dimension: 5cm*5cm*1.2cm