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TWS adopts a bilateral working mode, which enables wireless headsets to achieve true stereo sound. It not only allows the wireless headset to play the sound on the left and right channels, but also achieves stability and low latency, making people feel like they are on the scene. However, if such products want to be exported to the EU market, CE certification is required.

VR glasses are VR head-mounted displays and virtual reality head-mounted display devices, which mainly close people\'s vision and hearing from the outside world, and guide users to have a feeling of being in a virtual environment. However, in general, FCC certification is required for such products to be exported to the US market.

WIFi routers, commonly known as \"wireless routers\", are also called wireless signal transmitters, attracting the simultaneous use of terminal devices such as wireless network cards. The limited network signal is converted into a wireless signal through the WiFi wireless router, which can be received by the supporting technology-related computer, mobile phone, pda, etc. As long as you connect a WiFi router, you can achieve wireless Internet access for WiFi devices. But generally, if you want to sell this kind of wifi products in the domestic market, you need to apply for the SRRC certification test report.

?The walkie-talkie is a two-way mobile communication tool. You can make calls without any network support. There is no call charge. It is suitable for relatively fixed and frequent calls. But generally, if you want to export this kind of products into the Japanese market, you need to apply for the Japanese TELEC certification.

Data collector, also known as inventory machine, handheld computer. It is a terminal computer device that integrates barcode scanning device, RFID technology and data terminal, with a battery that can be operated offline. Generally, if this kind of product wants to be sold on the Chinese market, it is necessary to apply for SRRC certification. However, in order to avoid detours in the process of applying for SRRC certification, generally businesses will conduct SRRC pre-test before doing SRRC certification.

The hair dryer is a combination of a set of electric heating wires and a small high-speed fan. It is a common household appliance in our daily life. But generally, if you want to export such products into the Japanese market for sale, you need to apply for the Japanese PSE certification.

A Bluetooth digital device is a digital device with Bluetooth function. Nowadays, many electronic devices have Bluetooth function, and Bluetooth digital products can be seen everywhere in our lives, such as smart phones, Bluetooth headsets, Bluetooth speakers, Bluetooth printers, etc. But generally this kind of bluetooth digital product wants to go on the domestic market to need to apply for SRRC certification.

Bluetooth speakers refer to audio equipment with built-in Bluetooth chips that replace traditional wire connections with Bluetooth connections. By connecting with Bluetooth playback devices such as mobile phones, tablets, notebooks, etc., it is convenient and quick. But generally, if such products want to be sold on domestic e-commerce platforms, a quality inspection report is required.