Contact:kitty(at) Product :Skype Usb phone for Skype Model number:NXD-4F Skype USB Phone function description: NXD-4F is a USB interface portable phone made by ESTONE Company. It offers USB1.1 interface and built-in 16bit sound card, and is equipped with clear-bimap LCD to support four line display and multiple languages. NXD-4F offers humanistic key operation, mute, redial/dial-back, caller ID, caller statistics, in-call volume adjustment. It also supports personalized ring tone. AU210 has excellent voice quality and rich features. It supports Skype and is an outstanding voice product. Skype USB Phone Key Features: 1. Available to be used as "USB sound card + speaker cabinet" under hands free mode. 2. Mute function: Customize ring tones. 3. Supporting multiple languages display. 4. Friend list display, on-line friends display. 5. Friend list, rapid up/down paging function. 6. Inquiry of calling history, Statistic of missed calls. 7. Directly dial Skype, Skypeout number. 8. Redial/dial back function, Volume adjustable during a call. Skype USB Phone System requirement: 1. Pentium 400MHz or equivalent, Windows 2000 or XP, Available USB port (1.0, 1.1 or 2.0) . 2. Skype version 1.3.0.xx or higher must be installed Skype USB Phone Use the manual and Firmware: Skype USB Phone(Support SKYPE)Manual