The Polycom OBi202 is a 2-line VoIP phone adapter that allows you to easily connect your existing phone system to Google Voice. With various connectors including RJ-11, RJ-45, USB, and barrel, this adapter is versatile and compatible with a range of devices. The sleek black design and desktop style make it a convenient and stylish addition to your home or office setup. Its USB and Ethernet interfaces ensure seamless connectivity for a smooth VoIP experience.