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The shape of audio is based on triangular pyramid and it equipped with the product is metal painting and scratches patterns. And the music can come from these scratches.
It plays music via a bluetooth connection. or a memory card.
You can charge this audio via USB.
It uses divided design. On the one hand, you can put it with the computer on the table. On the other hand, you can take it apart and bring the smaller in the pocket to the outdoor when you are having a picnic.
South China Agricultural University