Free echo (and voice) graphics
I saw this thing once on TV about a guy who was blind. His ability to navigate the world was aided by this echo location technique he developed. He would walk around making some clicking sounds, and the echo from them would help him gauge where larger obstacles were. It was pretty cool. Anyway, the free echo and voice graphics and icons on this page might help you if you want to share this story :)
Icons & Illustrations
6 total ⊞
License Details
All the icons and illustrations above can be used for both Personal & Commercial purposes.