The Wi-Fi module, also known as the serial port Wi-Fi module, belongs to the transmission layer of the Internet of Things. Its function is to convert the serial port or TTL level to an embedded module that conforms to the Wi-Fi wireless network communication standard. The built-in wireless network protocol IEEE802.11b.gn Protocol stack and TCP/IP protocol stack. Nowadays, there are wireless networks everywhere, but wireless products such as WiFi modules need to be certified by SRRC if they want to be sold in my country.

The mandatory implementation date of Saudi Arabia\'s SASO IEC 62368-1:2020 (3rd edition) has been postponed to January 1, 2023.

On December 22, 2020, the Australian government officially entered into force 4 mandatory standards to reduce the risk of injury and death caused by the use of button/coin batteries. The mandatory standard includes an 18-month transition period. Starting from June 22, 2022, suppliers must meet the requirements of the standard.

Bluetooth headsets have given us more unbridled freedom due to the lack of wires. It is for this reason that more and more people tend to buy Bluetooth headsets when buying headsets, especially sports people. But in general, Bluetooth BQB certification? is required for such Bluetooth products to be put on the market.

Bluetooth mouse is a kind of wireless mouse. It can be used normally as long as it is turned on. Its size is less than 1/2 of the palm of the hand. It is quite convenient to work out and fully reflects the portable characteristics of mobile office. However, in general, if such products want to be exported to the US market, it is necessary to apply for the US FCC-ID certification.

A wireless keyboard is a Bluetooth device in which there is no direct physical connection between the keyboard body and the computer, and the input information is transmitted to a special receiver through infrared or radio waves. But generally this kind of product wants to export to enter the European Union market to need to apply for CE-RED certification.

The power switch is used to control the switch tube through the circuit to conduct high-speed pass and cut off, convert the direct current into high-frequency alternating current and supply it to the transformer for transformation, thereby generating the required one or more sets of voltages. However, in general, RoHS certification is required for such electronic and electrical products to be exported to the EU market.

On July 8, 2021, the European Chemicals Agency (ECHA) included the twenty-fifth batch of 8 SVHC review substances on the candidate list of substances of very high concern (SVHC). So far, the SVHC candidate list has been officially updated to 219 items.