Compucessory 30586 IP Phone USB VoIP Display Phone offers liquid crystal display (LCD). Compatible with most VoIP (Voice over Internet Protocol) software. Features a slim and sleek design. Screen display to view call history and contact list. Chat message. Supports multi languages. Voice conference call up to four people. No power adapter required. Complies with USB 2.0. Built-in microphone and speaker with six different volume levels and four different ring tones. USB 5' cable included. Resolution 128 x 64 pixels. Operation voltage: 4.75 to 5.25 Volts. Vista compatible.
