Connect the mobile phone to MP3 via Bluetooth, plug the speaker into the MP3, and play music through the mobile phone. It can be used to change it to a Bluetooth speaker.
Save music to TF card and insert TF card to play music
FM radio (can be used, but because there is no FM antenna, it is useless. You need to search hundreds of times on the balcony to find a station, and the sound quality is slightly better)
Turn on
Long press the button to adjust the volume
Plug in headphones
Press the mode button to switch signal sources (default Bluetooth mode)
Connect the mobile phone to the Bluetooth signal emitted by the MP3 (the Bluetooth name depends on the store where you purchased the chip)
Short press the button to switch songs
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