SRRC is a mandatory certification requirement of the National Radio Regulatory Commission. All radio component products sold and used in China must obtain Radio Type Approval Certification (Radio Type Approval Certification). All radio transmission equipment exported to my country or produced domestically must undergo SRRC certification and indicate the wireless transmission equipment model approval code; each radio transmission equipment model is issued with a unique \"radio transmission equipment type approval certificate\" and approval code. If the product has changes in performance or main technical parameters, SRRC certification must be re-certified.

A projector, also known as a projector, is a device that can project images or videos onto the screen. It can be connected to computers, VCDs, DVDs, BDs, game consoles, DVs, etc. through different interfaces to play corresponding video signals. So how should the projector be tested for RoHS?

A wireless mouse is a computer input device, divided into two types: wired and wireless. It is also an indicator of the vertical and horizontal coordinates of the computer display system. It is named \"mouse\" because it looks like a mouse. To apply for CE certification, the corresponding CE instruction for wireless products is the RED instruction; the following is an introduction to some related matters regarding the handling of CE-RED certification for wireless mice.

Smart bracelet is a fashionable technology product. Major electronic brands have also launched their own smart bracelets. The design is novel, avant-garde and beautiful. The most important thing is that the function of the bracelet is becoming more and more powerful. It can be used as people\'s daily healthy life. Reminders, such as: step counting, measuring distance, calories, fat, sleep monitoring, fatigue reminder, it can be connected to the mobile phone, for messages, call reminders, etc. But the smart bracelet is an electronic product, so it needs to pass the RoHS test to enter the EU.

On August 28, 2020, the National Certification and Accreditation Administration Commission issued an announcement from the CNCA on clarifying the mandatory product certification requirements for 5G mobile user terminals. The announcement clarified that 5G mobile user terminals belong to the scope of mandatory product certification, that is, 5G products are on the market. CCC certification is required before.

Battery pack IEC62133, UN38.3, GB31241, PSE test items

REACH certification is the abbreviation of the EU Regulation, Evaluation, Authorization and Restriction of Chemicals, \"Registration, Evaluation, Authorization and Restriction of Chemicals\", and is a chemical regulatory system implemented on June 1, 2007. The REACH Directive requires that all chemicals imported and produced in Europe must go through a comprehensive set of procedures such as registration, evaluation, authorization and restriction, in order to better and more simply identify the composition of the chemical to achieve the purpose of ensuring environmental and human safety.

The USB fan is a miniature electric fan used in the USB interface of a desktop computer or a notebook computer. The new type of brushless DC motor fan is quieter, more power-efficient, and has a longer lifespan than traditional motor fans. The following is a related introduction on the handling of RoHS testing for small fans.