Mind-Blowing Japanese Inventions You Won't Believe

7. Quiet Karaoke

What it is: A funnel-shaped microphone for noiseless singing Invented: 2019 Average Price: $81 The Utaet Voice Training Silent Karaoke Mic by Prodiea enables singing practice without bothering others. By decreasing noise by 70%, it suits karaoke lovers wanting to rehearse at home.

Advertisement

Twitter.com, @lakey, and Silent Karaoke This device also helps build confidence and reduce social nervousness. While it lacks traditional karaoke's group entertainment, it serves as an outstanding preparation tool.