In the scene, the headphones are placed in two positions. Lying on a plane and a special stand.

DIANA V2 PREMIUM LUXURY HEADPHONES BY ABYSS
https://eu.abyss-headphones.com/products/diana-abyss-thinnest-luxury-headphone?variant=31469446529127 
WOOAUDIO Headphone Stand
https://wooaudio.com/accessories/hps 

Attention: The FBX file is saved without Turbosmooth iterations, I recommend installing
(at least one iteration) after being imported into the scene.