USB skype phone,USB voip phone, skype USB phone, PC-to-PC and PC-to-phone operation, Fully compatible with USB1.1and USB2.0 USB skype phone,USB voip phone, skype USB phone1 ... and call list and could be operated using the keypad. 2.Supports 10 types of language:Chinese, English, German, France, ... and adjustable volume.5.PC-to-PC and PC-to-phone operation.6.Plug-and-play.7.Fully compatible with USB1 ...