1+: $10.00 5+: $9.00 10+: $8.50 25+: $7.89 50+: $7.14 100+: $6.97

Features and Specifications PC-to-PC and PC-to-phone operation Driver built-in, plug and play USB 1.1 compatible, no need sound card No external power required Complies with H.323,MGCP,SIP protocol Echo cancellation, noise reduction Full duplex communiction Application support:Netmeeting/Messanger, Mediaring,Netphone,Dialpad Key-in tone function Compatible with Skype, the free PC internet phone service, with tens of millions of users Support MSN messenger, Yahoo Messenger, IM, Netmeeting, Netphone, and any other internet telephone software Free phone calls among PC users Skype out can facilitate calls to regular phone number for a small fee Compatible with firewall and NAT with virtual IP Integrated phone set with USB audio, speaker, microphone, and keypad for natural voice conversation Best voice quality with full-duplex and echo-free sound Hardware generated DTMF signals for dialing toextension through PBX Plug and play installation, operating without any external power adapter