It basically looks like a cross between an Elecom Deft and a Logitech M570 or even Logitech MX Ergo
Setup-
Autonomous standing desk
Some random Amazon chair
Macbook Pro
LG 34UC88-B Monitor
Combination of a pole and spring arm mount from Amazon
Goldtouch GTP-0044 Go!2 ergo keyboard
Logitech HD Pro Webcam C920
Logitech MX Ergo Wireless Trackball
Apple Magic Trackpad 2
Jabra Evolve 80 headphones
Anker wireless charging pad
Creative Pebble 2.0 speakers
Understanding you want to try some out, but a coworker absolutely loves this: https://www.amazon.com/Anker-Wireless-Vertical-Ergonomic-Optical/dp/B00BIFNTMC
I'm a trackball fanboy and use a Logitech MX Ergo for limited wrist motion: https://www.amazon.com/Logitech-Ergo-Wireless-Trackball-Mouse/dp/B0753P1GTS