Product Name: USB PhoneModel Number: CM-01Place of Origin: ChinaFeatures: 1) USB interface 2) No external power/sound card required 3) High quality for full duplex communication 4) Handy, style, portable for notebook PC 5) Compatible with all Internet telephone software applications, such as Skype, MSN, ICQ, X-lite, Dialpad, MediaRing, Net2 phone 6) Driver built-in, doesn\'\'t need any additional driver in Windows