These and similar. They plug into the end of the phone and they twist around so the cord doesn't get tangled. They work fantastically for that, but there's a crackle on the phone line after a few months using them. I've tried a couple brands and they all do it.
I use a wrist rest very similar to this one here. It helps with wrist and forearm pain.
https://www.amazon.com/dp/B01DKCPAP4/ref=twister_B07MP2FXTV?_encoding=UTF8&th=1
Just search “desk light bar” on Amazon. This is the one I got but it isn’t compatible with all monitors: https://www.amazon.com/Baseus-Computer-Adjustable-Brightness-Temperature/dp/B08CXL3YQ8/ref=mp_s_a_1_3?crid=3BXADG4ZN2ITE&keywords=desk+light+bar&qid=1651055895&sprefix=desk+light+bar%2Caps%2C104&sr=8-3
Gonna fill out your survey
But I was looking into this exact thing for when I'm studying. There are lots of pre-existing products that fit under this category.
Mini Exercise Bike https://www.amazon.com/dp/B07JFTQ2MS/ref=cm_sw_r_apan_glt_i_H95CCCS1QAZ4D0RS4C7G?_encoding=UTF8&psc=1