This is a global phenomenon that began thanks to a man’s simple dream to invent a gadget for introverts.
This is a global phenomenon that began thanks to a man’s simple dream to invent a gadget for introverts. You Guangguo’s portable karaoke microphone, which he cheekily dubs the ‘Karaoke Magic Machine’, is so popular across the world that his factories now make 6,500 units every day. Here’s his story.
