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

As Bluetooth wireless audio transmission technology matures, Bluetooth speakers are increasingly accepted and recognized by more users. There are many brands of Bluetooth speakers in the domestic market, so what certification is required for domestic sales of Bluetooth speakers?The domestic production and sales of Bluetooth speakers need to apply for 3C certification. Bluetooth speakers belong to China\'s compulsory product certification, which is a certification that controls product safety and quality.

FCC-ID is one of the compulsory FCC certification models in the United States and is suitable for wireless products. Products with wireless transmission frequencies, such as Bluetooth devices, WiFi devices, wireless alarm devices, radio receiving and transmitting devices, phones, computers, etc., need to apply for FCC-ID certification. The certification of wireless products is directly approved by the FCC TCB agency, and the certification can be checked on the official website of the FCC in the United States.

Welcome to contact our company ZRLK for UL certification of LED lamps. We will provide you with professional and efficient testing and certification services with favorable prices and good 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!

The driving recorder is an instrument that records related information such as images and sounds during the driving of the vehicle. After installing the driving recorder, it can record the video images and sounds of the whole process of the car driving, which can provide evidence for traffic accidents. Those who like self-driving tours can also use it to record the process of conquering difficulties and obstacles. While driving while walking and recording, the time, speed, and location are all recorded in the video, which is quite a \"black box\". It can also be used for DV shooting at home, or as a home monitor. However, the export of driving recorders to Japan requires TELEC certification?.

For lithium battery UL certification, please contact our company, China Recognition Linktech. We will provide you with professional and efficient testing and certification services, with favorable prices and good 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!

EMC test is also called electromagnetic compatibility test. Lamp EMC test refers to assessing the ability of lamps to operate in compliance with the requirements in their electromagnetic environment and not produce intolerable electromagnetic interference to any equipment in the environment. Therefore, the luminaire EMC test includes two requirements: on the one hand, the electromagnetic interference generated by the luminaire in the normal operation process cannot exceed a certain limit; on the other hand, it refers to the electromagnetic interference of the luminaire in the environment. Has a certain degree of immunity, namely electromagnetic sensitivity.

A router is a very common household electronic product. A router is required to connect to the Internet for home mobile phones, computers, tablets, etc. It is a hardware device that connects two or more networks. It acts as a gateway between networks and reads every data The address in the packet then determines how to transmit the dedicated intelligent network device. But if the router wants to export to Japan, it needs to apply for MIC certification.

With the rapid development of Bluetooth technology in recent years, the Bluetooth function has been widely used in various products. Currently on the market, Bluetooth speakers are dominated by portable speakers, which are generally small and portable, and Bluetooth speaker technology is gradually being valued and accepted by consumers due to its convenient features. Because of the wireless Bluetooth function, Bluetooth speakers need to be SRRC certified, that is, radio product model approval certification, before they can be distributed in the market.