Mobile hard disk mainly refers to the use of USB or IEEE1394 interface, which can be plugged in or unplugged at any time, compact and portable hard disk storage, which can transmit data with the system at a higher speed. However, in general, these products need to apply for SRRC certification if they want to be sold on the Chinese market. However, in order to avoid detours in the process of applying for SRRC certification, general merchants will conduct SRRC pre-test before doing SRRC certification.

The Bluetooth module is a PCBA board with integrated Bluetooth function, used for short-distance wireless communication, and is divided into Bluetooth data module and Bluetooth voice module according to function. However, in general, Bluetooth BQB certification? is required for such Bluetooth devices to be put on the market.

The Bluetooth keyboard refers to a keyboard that performs wireless transmission through the Bluetooth protocol and performs Bluetooth communication within an effective range (within 10m). In fact, it is a short-distance radio technology. Using \"Bluetooth\" technology, it can effectively simplify the communication between mobile communication terminal devices such as palmtops, notebook computers, and mobile phones. However, in general, such smart products need to be certified by TELEC if they want to export to the Japanese market.

The Bluetooth chip, also known as the Bluetooth module, is a PCBA board with integrated Bluetooth function, used for short-range wireless communication, and is used in many smart electronic devices. But generally, if you want to sell this kind of products on the Chinese market, you must apply for SRRC certification.

The sweeper is a kind of intelligent household appliances, which can automatically complete the floor cleaning work in the room by virtue of a certain artificial intelligence. As a time-saving and efficient cleaning equipment, the sweeper has become a common household appliance in many European and American developed countries. However, in general, if my country\'s sweeper products want to be exported to the United States, they need to apply for the US FCC-ID certification.

Touch Panel, also known as \"touch screen\" or \"touch panel\", is a kind of latest computer input device. It is a simple, convenient and natural way of human-computer interaction. It gives multimedia a new look and is a very attractive new multimedia interactive device. Mainly used in public information query, electronic games, multimedia teaching, etc. However, in general, such wireless smart products need to be certified by SRRC if they want to be produced and sold in China.

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. It is widely used in homes, offices, schools, entertainment venues, etc. However, in general, if such products want to be exported to the Japanese market, they need to apply for Japanese TELEC certification.

Sports bracelet is a kind of smart bracelet, and smart bracelet is a wearable smart device. Most of the bracelets currently on the market are bracelets used to detect sleep and exercise reminders to help users live a healthier life. In today\'s society, more and more people are paying more attention to health. Therefore, smart bracelets in the future are an important development direction. However, in general, these products need to be certified by SRRC if they want to be sold on the Chinese market.