PC-to-PC and PC-to-phone operation Driver built-in
USB1.1 compatible, no need sound card.
No external power required
Complies with skype
Caller ID function of VoIP calls .
Acoustically isolated speaker and microphone to eliminate echo.
Customized hand phone casing designs available
Skype : gery668
website: http://www.chinaroby.com
email : info@chinaroby.com