... Voip phone, driver wirless usb phone,ideal for a present,good for business man on trip,support PC-PC,PC-Phone ... ,etc Cheap pric USB VOIP Phone with flash memeory, can ... read/write phonebook free and auto run on PC without install any driver!Support most of voip ... between PC-to-PC and PC-to-Phone* Echo cancellation,noise reduction,full duplex ...