The mobile phone battery is an energy storage tool that provides power for the mobile phone. It consists of three parts: the battery cell, the protection circuit and the shell; the mobile phone battery generally uses a lithium battery and a nickel-metal hydride battery. Nowadays, mobile phones are an indispensable part of people\'s lives, and the demand for mobile phone batteries in the market is also increasing. However, in general, these electronic products need to be certified by FCC if they want to export to the United States.

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Tablet PCs belong to wireless Bluetooth products, which are very common electronic products in our lives, and are popular in almost every family. However, if such smart products want to be sold in the domestic market, they need to apply for SRRC certification.

The International Air Transport Association (IATA) has revised its regulations for the separate transport of lithium batteries, effective January 1, 2022. However, there will be a transition period to make adjustments to be 100% compliant with the new regulations by March 30, 2022. The customer is advised to check with the airline of their choice whether there is an implemented or actually permitted transition period.

On December 22, 2021, ECHA (European Chemicals Agency) launched a comment on the REACH regulation restricting the use of polycyclic aromatic hydrocarbons (PAHs) in shooting clay targets. The deadline for public comment is June 22, 2022. . It should be noted that there are 18 types of PAHs involved in the proposed additions in this review, which is 10 more than the 50th PAHs in the current REACH regulation.

The early education machine is an educational electronic product that combines multiple intelligence education theories. It can formulate some fun and learning scenes according to the child\'s life experience and psychological characteristics, so that the child can learn while playing. It can not only increase the fun of children\'s learning, but also promote the development of the children\'s brain, which is very good for the growth of the baby. However, if the early education machine wants to be sold in the domestic market, CCC certification is required.

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The sports bracelet is a wearable smart device, which is mainly used to detect sleep and exercise reminders to help users live a healthier life. With the continuous development of society, more and more people are paying more attention to health, and smart bracelets have become the choice of more people. However, in general, these smart products need to be certified by SRRC if they want to be put on the domestic market.