RoHS stands for Restriction of Hazardous Substances. RoHS, also known as Directive 2002/95/EC, originated in the European Union and restricts the use of specific hazardous materials found in electrical and electronic products (known as EEE). All applicable products in the EU market after July 1, 2006 must pass RoHS compliance. The substances banned under RoHS are lead (Pb), mercury (Hg), cadmium (Cd), hexavalent chromium (CrVI), polybrominated biphenyls (PBB), polybrominated diphenyl ethers (PBDE), and four different phthalates (DEHP, BBP, BBP, DIBP). RoHS DELL USB 104 Key, Full-size (100%), Wired, USB, Black DELL USB 104 Key. Keyboard form factor: Full-size (100%). Keyboard style: Straight. Connectivity technology: Wired, Device interface: USB, Keyboard number of keys: 104. Product color: Black https://www.tomshardware.com/uk/reviews/gaming-peripheral-mouse-keyboard,2467.html Ultimately, a high-end gaming keyboard won’t transform you from greasy spot on the floor to a master marksman, and it won’t place your guild’s benchwarmer in the top damage spot after your next raid. But if you’re already a gamer with some skill, a high-end keyboard like the G19, X6, or Cyborg will definitely enrich your gameplay experience.