Making the assumption that you work at a desk all day, and ignoring the good recommendations of a solid pair of noise-cancelling headphones, I'd recommend an er

Making the assumption that you work at a desk all day, and ignoring the good recommendations of a solid pair of noise-cancelling headphones, I'd recommend an ergonomic mouse and a nice keyboard. Personally I'm really into Logitech MX Vertical and MX Keys, but MX Master 3 is also very nice to work with. Has resulted in issues with wrists and hands reducing a lot. Your mileage may vary, though.