This is a USB phone that allows you to talk to your friends and family around the world for free. With this phone, you no longer need to worry about the cost of long distance phone calls or the amount of time spent talking to friends and family. * Simply install SKYPE software, plug the USB phone, and you can connect to any other SKYPE user, anywhere in the world for free. * Plug and Play, simply plug the USB phone into an available USB port and the phone is ready to use * Support systems support: SKYPE 4.0 / Windows XP / Vista / 7 * Certified HI-speed USB