Yellow megaphone with a white sound projection device.
Schlüsselwörter
business,
presentation,
communication,
megaphone,
announcement,
loudspeaker,
yellow,
white,
sound,
voice,
speaker,
broadcasting,
public,
attention,
promotion,
marketing,
alert,
emergency,
tool,
equipment,
device,
volume,
audio,
signal,
information,
message,
bullhorn,
amplification,
shout,
yell,
command,
direction,
instruction,
warning,
urgent,
important,
notification
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