... net2phone protocol 2, Supports Skype, MSN and QQ software 3, USB2.0 port 4, 16-bit sound ... , With HID (Human Interface Device) feature7, Plug and play to install USB driver8, No driver needed for ... through existing IP phone applications13, Optional ITSP application software with credit for PC to phone connection 14 ... 18, LED indication 19, Powered via the USB port with no need for a power adapterPacking: ...