is 542.72 KB, has a resolution of 768x1024 pixels and was uploaded on September 27, 2021 @ 4:07 pm by user: adeleslte. It is filed under the tags: optical fiber, megaphone, loudspeaker, optics, textile. Click the blue button at the top to freely download: Owl Wisdom Microstructured Optical Fiber Loudspeaker Microphone png.