Overview: SK-04 is a full-function USB speakerphone with hands-free feature designed specifically for Skype with the latest technology. Simply plug it into the USB port of your PC or laptop, and you can make/answer Skype calls just as you would be on a regular telephone. It is the perfect phone for both office and home use. Key Specifications/Special Features: Seamless integration with Skype. No special drivers or plug-in software required Rings loudly on an incoming call Full-function keypad enable the end-users to make/receive calls even easier Hook switch allows for intuitive answering/ending Skype calls Acoustically isolated speaker and microphone to eliminate echo Full-duplex communication with crystal clear sound quality USB interface PnP. No external power/sound card required Handsfree speakerphone allows you to speak and listen without using the handset Also compatible with other PC-based softphone applications, such as Skype, MSN, Yahoo Message, Xten, Dialpad, MediaRing, Net2phone, etc. Supporting Windows, Linux, Mac and Pocket PC