On February 10, 2022, the second division of Zhongxinda lithium battery business was established

When testing the sound, you can slightly adjust the button within the range of 20-20KHz, and continuously record the sound comparison of each node's volume. Under the rated sound, you can adjust the equalizer, different people have different habits to the sound color of music, and you can adjust it

When testing the sound, you can slightly adjust the button within the range of 20-20KHz, and continuously record the sound comparison of each node's volume. Under the rated sound, you can adjust the equalizer, different people have different habits to the sound color of music, and you can adjust it

When testing the sound, you can slightly adjust the button within the range of 20-20KHz, and continuously record the sound comparison of each node's volume. Under the rated sound, you can adjust the equalizer, different people have different habits to the sound color of music, and you can adjust it

When testing the sound, you can slightly adjust the button within the range of 20-20KHz, and continuously record the sound comparison of each node's volume. Under the rated sound, you can adjust the equalizer, different people have different habits to the sound color of music, and you can adjust it