features * have speaker function. * compatible with voip (voice over internet protocol) solution such as skype * works as microphone & earphone with yahoo messenger, msn messenger, ms netmeeting and etc. * hot-key functions to operate skype software as easy as dialing a normal telephone * echo-cancellation for better sound quality * 9 types of ring tones for incoming call alert * use dot matrix lcd module (128x64). * supports multi-language * lcd backlight turns on while receiving a call or any key is pressed * as a speaker to broadcast music from pc * lcd to display caller id, contact list and calling list (miss ,income,outgoing) * compliant with usb 1.1 specification * no additional power adapter required * display skype out balance. danny@vnetphone.com