User's Guide

Ref. Number Feature Feature Description
6 Mute button Mute or unmute the microphone
during an active call
7 Headset button Toggle between the built-in
speakers and microphone and an
attached 3.5 mm headset. This
button doesn't display if you don't
connect a 3.5 mm headset
8 Vanity lighting Adjustable vanity lights for
improving lighting conditions during
a meeting
9 Speakers Audio output
10 LED indicators Indicates the personal meeting
display's status
11 Wireless charger Charge compatible phones and
headsets by placing them on the
wireless charging area
System Ports
Poly Studio P21 Port Descriptions
Ref. Number Description
1 3.5 mm headset port
2 Power cord port
Getting Started
6