Bluetooth is a kind of wireless transmission technology, which can achieve short-range data exchange when multiple devices, such as everyone's smart phones, the best advantage of this technology is wireless transmission, and the short distance, because the transmission power does not need that big, also saves power . Bluetooth speakers apply this technology to active speakers. After this wireless transmission technology, the digital audio from a smartphone, computer or PC is transmitted to the speaker, and then there will be no restrictions on wireless music playback. What are the Bluetooth speakers: The regular Bluetooth speaker has a built-in Bluetooth receiving mode, which is responsible for receiving the digital music information line number brought by the transmission. The following decoding will convert the digital information line number to create an information line number, which will be strengthened by the audio amplifier, and finally the speaker will sound .
Many Bluetooth speakers are currently portable, so a built-in rechargeable battery is required. Obviously, there are some Bluetooth speakers with many functions, which focus on the functions of playback, radio and card insertion, so there will be many built-in modes.