I don’t think there is anything in there technology that is not...

I don’t think there is anything in there technology that is not capable with a AP chip (when finished) most of the detection, tracking and wave forming are covered in AP patents. It also only works at a certain distance they appear to use similar wave forming but the ultrasonic don’t come together until they are close to the ear and then form a sound audible sound wave.

https://worldwide.espacenet.com/publicationDetails/claims?CC=US&NR=2020275207A1&KC=A1&FT=D&ND=3&date=20200827&DB=&locale=en_EP
https://worldwide.espacenet.com/publicationDetails/biblio?https://worldwide.espacenet.com/publicationDetails/biblio?II=4&ND=3&adjacent=true&locale=en_EP&FT=D&date=20181108&CC=US&NR=2018321381A1&KC=A1
II=10&ND=4&adjacent=true&locale=en_EP&FT=D&date=20100303&CC=EP&NR=2158787A2&KC=A2