For part of my on-call-IT day, I park myself at a desk in a loud (voices, tape guns, equip), voluminous warehouse. It's more desk workers than not and earbuds/h

For part of my on-call-IT day, I park myself at a desk in a loud (voices, tape guns, equip), voluminous warehouse. It's more desk workers than not and earbuds/headphones are the norm. Software notifications have heavy competition; they can't grab attention. So chat is delayed at best. I handed out a few lasers (not pointers) to folks that often need me. I could see trialing your devices in our use-case.