●Free from PC:with LCD dot matrix display,can display Skype titles,contacts,dial and call list and could be operated using keypad 
●Supports 10 types of languages displaying Chinese,simplified Chinese,English,German,France,Japanese,Korean 
●With blue backlight 
●With ring tones and adjustable volume 
●PC-to-PC and PC-to-phone operation 
●Plug-and-play 
●Fully compatible with USB 1.1 and USB 2.0 
●Support skype and the software telephones such as voipbuster,voipcheap,sparvoip,voipdiscount,internstcalls and netappel dirsctly dial 
●No need for sound card 
●External power not required 
●Support Echo cancellation,noise reduction 
●Supports Skype,and Skype speed-dialing function 
●Full duplex communication 
●USB Audio Device class specification 1.0 compatible 
●Support Windows 98SE/Windows ME,2000,XP 
●Recommend system requirements:Windows XP or 2K OS,400MHz or above CPU,128MB or above main memory.15MB free HDD space.Broadband Internet connction:ADSL or Cable modem 
●Dimensions:150mm﹡20mm﹡38mm(L﹡H﹡W)