日韩欧洲精品无码AV,99国产午夜精品一区二区天美,精品久久免费一区二区三区四区,久久综合图区亚洲综合图区,久久久久亚洲AV免费观看,精子网久久国产精品,亚洲AⅤ无码一区二区二三区性色,亚洲精品国产电影,亚洲资源在线观看,婷婷五月丁香在线

A power bank is a portable charger that can be carried by individuals and can store electrical energy. It is mainly used to charge handheld mobile devices and consumer electronic products (such as mobile phones and laptops). It is mainly used in situations where there is no external power supply. However, in general, FCC certification is required for such products to be exported to the United States.

Electric fan is abbreviated as electric fan, also known as fan or fan. It is a household appliance that uses a motor to drive fan blades to accelerate air circulation. It is widely used in homes, classrooms, offices, shops, hospitals, hotels and other places. , Mainly used for cooling and relieving heat and circulating air. But generally our common fan products need to go through EMC electromagnetic compatibility testing and certification before they want to be put on the market.

Bluetooth headsets are headsets with Bluetooth wireless communication capabilities, which can be roughly divided into three types: mono Bluetooth headsets, stereo Bluetooth headsets, and true wireless Bluetooth headsets. Nowadays, Bluetooth headsets are deeply loved by consumers, and they have developed into a good tool for mobile business people to improve efficiency. However, generally, such products need to be certified by SRRC if they want to be produced and sold in China.

With the continuous development of science and technology, many smart devices now have Bluetooth function, but generally such devices need to apply for FCC-ID certification if they want to export to the US market.

Information Express | 2021 International Market Access Information Update Summary

Bluetooth loudspeaker, as the name suggests, this loudspeaker is transmitted by Bluetooth signal. It is composed of two parts, one is the transmitter on the hand, and the other is the receiver, which is mainly used in the teaching field. The teacher uses the lecturer in his hand to send a Bluetooth signal during teaching to achieve the purpose of amplifying the sound. However, in general, this kind of Bluetooth device needs to be certified by SRRC if it wants to be sold on the market.

2.4GHz refers to a working frequency band, 2.4GHz ISM (Industry Science Medicine) is a wireless frequency band that is publicly used all over the world. Bluetooth technology works in this frequency band. Working in the 2.4GHz frequency band can get a larger range of use. And stronger anti-interference ability, widely used in household and commercial fields. Typical 2.4GHz products include Bluetooth, WIFI, cordless phones, etc. However, in general, these products need to be certified by TELEC if they want to export to the Japanese market.

For server SRRC certification, please contact our company ZRLK. We will provide you with professional and efficient testing and certification services with favorable prices and courteous service. If you provide us with product pictures and specifications, we will give us the corresponding cycle, quotation and specific plan according to your product. Welcome to inquire!