hand with a megaphone in front of a blackboard with the message

---

Size: 7740px × 3317px
Photo credit: © fotogestoeber / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: ad, advertising, alert, announcement, attention, audio, blackboard, boss, box, broadcast, bulletin, bullhorn, business, closeup, command, communication, concept, handheld, holding, instruction, loud, loud-hailer, megaphone, message, organization, portable, public, side, sound, speaking, speech, start, text, trumpet, verbal, view, voice