Audeara A-01 Wireless Headphones @ TechPowerUp
 

The Audeara A-01, a pair of wireless headphones, comes with fantastic battery life and a truly unique feature: a detailed hearing test used to tailor the sonic performance to your own ears. We do need to talk about that $400 price tag, though.

https://www.techpowerup.com/reviews/Audeara/A-01//