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 TP-Link UB4A, వైర్ లేకుండా, USB, Bluetooth, నలుపు TP-Link UB4A. సంధాయకత సాంకేతికత: వైర్ లేకుండా, హోస్ట్ ఇంటర్ఫేస్: USB, ఇంటర్ఫేస్: Bluetooth. యుఎస్బి శక్తితో. ఉత్పత్తి రంగు: నలుపు