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

Headphone Audeze LCD-5 https://www.audeze.com/products/lcd-5 
WOOAUDIO Headphone Stand https://wooaudio.com/accessories/hps 

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