Polycom VVX EM 50 Expansion Module - Opened Never Used
Polycom VVX EM50 Features. Up to 2 modules can be added to the Polycom VVX 450. Compatible with Polycom VVX 450 IP phone (requires UC software 5.8.2 or higher). 5.0" color backlit display (400 x 800 pixel, WVGA).