Currently i have pretty old peripherals, i don't even know the names of the dell mouse and keyboard, just their old and they came with the dell optiplex gx620. The keyboard isn't mechanical, and sometimes the enter key is pretty hard the press if i use my pinky on the sides of the key. The mouse isn't very comfortable in my hand, but it works, i used to use a microsoft wireless mouse 2000, but the clicker wore out to the point where i had to press multiple times just for it the register. I don't have any headphones, just the earbuds that came with my phone. I have a basic mouse pad not a brand, doesn't stay in one place very well, put tape on the bottom to keep it in one place, the edges are tore up a little bit on the bottom, but it doesn't affect usage of my mouse. I'm fine with my current setup, but some new stuff wouldn't hurt!