Atari's Speakerhat, a hat with speakers, is now on sale
 

Yes, Atari's speaker-equipped hats are very much real. At the last possible minute, the game brand has started selling the Speakerhat to the masses. Pay $130 or more ($100 until January 2nd) and you too can get a cap with Bluetooth stereo speakers...

https://www.engadget.com/2017/12/11/...ats-available/