usb skype phone,support Skype,sip protocol ,etc.. Support calling between PC-PC , PC-Phone,competitive price USB Skype Phone,Skype USB Phone for skype! Voip protocal ,etc.. Easy operation and widely used for business man, travel man,etc.. Unique Functions:* With SPI Flash memory inside, dont need to install any softwares,auto-run uSipphone & X-PRO,Completely Play-and-Plug* Support the X-PRO ...