The USB VoIP Calling Kit connects your computer and devices such as external dial pads, and external phones, as well as peripherals such as scanners, external hard drives and more. Combining six high-speed USB 2.0 ports with a full VoIPdial pad and audio ports, this elegant system delivers lightening-fast connectivity as well as file transfer capabilities. The 6- Port High Speed USB 2.0 Hub and Dial-Pad supports USB 2.0 devices and it is backwards compatible with USB 1.1 specifications. It is a very easy to use, Plug-n-Play, hot swappable audio device.