1,Fully functional keypad enables you to make/receive calls even easier 2,Rings loudly on an incoming Skype call 3,Acoustically isolated speaker and microphone to eliminate echo 4,Full-duplex communication with crystal clear speech 5,USB Interface PnP. No external power/sound card required 6,LCD display and LED indicator 7,Streamlined and fashionable design similar to a mobile phone 8,Free Skype phone software is included in the installation CD that enables the PhoneSkype RSP202 to work with Skype seamlessly 9,Also compatible with other PC-based softphone applications, such as MSN, Yahoo Message, Xten, Dialpad, MediaRing, Net2phone and etc.