Listen to Your Audio on Your Smartphone While Not Disturbing Others
![Speaker](https://mydailyideas.com/wp-content/uploads/2016/06/speaker-e1465810674277-250x250.png)
Why?
You would like to listen to some music or watch a video without using earphones, but there are others around you, and you don’t want to disturb them.
How?
Install directional speakers in smartphones so there is a minimum of sound leaking to others.
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