572x512pxvolume icon, sound logo, black and white loudspeaker, monochrome sound symbol, audio symbol, silent mode graphic, speaker design element
512x512pxmute speaker icon, sound off symbol, audio signal control, portable document format media, silent mode graphic, volume disabled image, no sound pictogram
512x512pxmicrophone mute symbol, black and white sound icon, mute button graphic, audio control logo, silent mode indicator, volume off sign, communication silence symbol
954x1280pxTurn Off Your Cell Phone, Cell Phone Ban, Warning Sign, Silent Mode, No Mobile Zone, Radiation Safety, Electronic Device Restrictions, png
