you can ask or hire any personal ergonomic service/company to evaluate what needs to get better at your workstation and they will say that devices are the last item on the list. posture, adequate chair/table height and breaks are much more important than 50 grams less on your mouse

The OSHA Computer Workstation Posture Checklist is gospel and if anyone reading this is struggling with RSI and hasn't followed it to the letter, please do so immediately. It is frankly disgusting how quickly a few seemingly small bad habits can grow into a monster nerve issue