New project - Realistic model of headphones.
Rendered in Cycles (350 samples); Blender 2.83.5
I hope you will like it! 
You can check video on YouTube or support my channel:
Video on YouTube: https://youtu.be/CM1EOVnUdmk
My YouTube channel: https://www.youtube.com/channel/UCKjA-S24sFW_qA5TJLX35mg?
Final result:
