This mp3 music player has the equalizer function, which can adjust, compensate and modify the sound source defects. 【Wireless Bluetooth 5.0 】This MP3 player has a built-in Bluetooth 5.0 chip ...

【Bluetooth 5.2- Release Your Hands】Remove ... 【Built-in HD Speakers】 MP3 player has built-in high-definition speakers, you can play music without headphones, no longer need to feel the ...