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 Fujitsu M440, Optical, USB Type-A, 1000 DPI, White Fujitsu M440. Movement detection technology: Optical, Device interface: USB Type-A, Movement resolution: 1000 DPI, Buttons quantity: 2. Product colour: White http://www.computeractive.co.uk/ca/review/2028973/fujitsu-m440-eco-mouse This simple mouse doesn't have any special features or programmable buttons, but it does have one distinguishable feature: it contains no plastic.It's made from two ‘plastic substitutes': Arboform and Biograde, both of which are made from wood-industry... A cheap but pleasant mouse that's eco-friendly too ...