USB skype phone,voip phone, PC-to-PC and PC-to-phone operation, Fully compatible with USB1.1and USB2.0 USB skype phone,voip phone1.Free from PC:with LCD dot matrix display, can display Skype titles, contacts, dial and call list and could be operated using the keypad. 2.Supports 10 types of language:Chinese, English, German, France,Japanese and Korean etc.3.With blue backlight.4.With ring tones ...