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PSE (Product Safety of Electrical Appliance & Materials) certification (called \"fitness inspection\" in Japanese) is a mandatory market access system for electrical appliances in Japan and an important content stipulated in the \"Electrical Appliance Safety Law\" in Japan. Electrical appliances are divided into \"specific electrical appliances\" and \"non-specific electrical appliances\", of which \"specific electrical appliances\" include 116 products; \"non-specific electrical appliances\" include 341 products, and technical requirements include EMC and safety.

TWS is the abbreviation of True Wireless Stereo in English, which means true wireless stereo. TWS technology is also based on the development of Bluetooth chip technology. According to its working principle, it means that the mobile phone connects to the main earphone, and then the main earphone quickly connects to the secondary earphone wirelessly, so as to realize the wireless separation of the left and right channels of Bluetooth. When the slave speaker is not connected, the main speaker returns to mono sound quality. TWS technology has been applied to the field of bluetooth headsets, so a new product-TWS bluetooth headset was born.

According to the requirements of the EU WEEE & RoHS directives, domestic qualified third-party testing agencies separate products according to materials and use different materials to detect hazardous substances. The role of RoHS certification is to prevent the incorporation and use of prohibited substances, planned abolished substances, and reduced substances (hazardous substances) in the components and materials of electronic and electrical equipment. Protect the earth\'s environment and reduce the deteriorating impact on the ecosystem, protect human health, and maintain the sustainable and healthy development of human society.

RoHS compliance testing, also known as RoHS Directive testing, has become a standard procedure for most manufacturers, sellers, distributors, and recyclers of electrical and electronic components or equipment sold or used in the European Union.

TELEC is also called MIC certification in Japan, and TELEC is one of the designated issuing agencies of MIC, so it is collectively called TELEC certification. TELEC is a compulsory certification for wireless products in Japan: the \"Radio Law\" requires the type approval of designated radio equipment (ie, technical compliance certification). The certification body is a registered certification body recognized by MIC in the scope of designated radio equipment. TELEC (Telecom Engineering Center) is the main registered certification body for conformity certification of radio equipment in Japan.

The mobile power battery UN38.3 report. The battery UN38.3 report can be provided by a third-party testing agency designated by civil aviation, or by a battery manufacturer with testing capabilities. If this test report cannot be provided, civil aviation will prohibit air transportation of lithium batteries. ZRLK can handle UN38.3 reports. The following are some related introductions about battery UN38.3 certification.

RoHS is a mandatory standard established by EU legislation. Its full name is \"Restriction of Hazardous Substances\" (Restriction of Hazardous Substances). The standard has been officially implemented on July 1, 2006, and is mainly used to standardize the material and process standards of electrical and electronic products, making it more conducive to human health and environmental protection. The purpose of this standard is to eliminate lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls and polybrominated diphenyl ethers in electrical and electronic products (note: the correct Chinese name of PBDE refers to polybrominated diphenyl ethers, which is a false statement ) A total of 6 substances, with emphasis on cadmium content not exceeding 0.01%.

If the product wants or is about to be exported to the EU, it is a basic requirement to meet the EU RoHS2.0 requirements; if you have not yet understood the EU RoHS certification test requirements, want to understand the EU RoHS test, or have not yet obtained the test report, please Feel free to consult us ZRLK.