Audfly Focusound Glass Speaker Directs Sound to Targeted Listeners or An Area
Audfly Focusound Glass Speaker features a magical see-through glass that directs stereo sound to its user without disturbing others. It works just like a spotlight that directs a beam of light, but this speaker directs a beam of audio exactly to targeted listeners or areas. This futuristic speaker utilizes cutting-edge self-developed patented ultrasonic directional sound […]