Regulatory Notices
167
Cleaning Requirements
Before cleaning the device, stop using it and disconnect it from the power supply.
Use a piece of soft, dry and anti-static cloth to clean the device.
Keep the power plug clean and dry. Using a dirty or wet power plug may lead to
electric shock or other perils.
Restriction of Hazardous Substances
Restriction of Hazardous Substances (RoHS) is a Chinese government regulation which aims to
restrict certain dangerous substances commonly used in electronic and electronic equipment.
The following table lists the names and content of the toxic and hazardous substances or
elements probably contained in the products:
Toxic or Hazardous Substance and Elements
Hexavalent
Chromium
(Cr
+6
)
Polybrominated
Biphenyls
(PBB)
Polybrominated
Diphenyl Ethers
(PDBE)
Plastic and
Polymeric
Parts
Cables and
Cable
Assemblies
O: Indicates that toxic substances contained in all homogeneous materials in this product
are below the limit requirement in GB/T26572-2011 standard.
X: Indicates that toxic substances contained in all homogeneous materials in this product
are above the limit requirement in GB/T26572-2011 standard.
This table lists the toxic and hazardous substances contained in the machine. Based on the
material type, the data is provided by the supplier and has already been validated by Yealink
company.
Some harmful substances contained in the material cannot be replaced according to the current
technology. We constantly strive to improve our products.