The 20mm speaker unit uses NdFeB with the best performance, which is small in size, high in power and wide in frequency range under the same magnetic flux. At present, many headphones basically use
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Hangzhou Yoniner Pharmaceutical Co.,Ltd: We're professional bandage, surgical tape, band aids, elastic bandage, sports tape manufacturers and suppliers in China since 1998. With abundant experience,
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Hangzhou Yoniner Pharmaceutical Co.,Ltd: We're professional bandage, surgical tape, band aids, elastic bandage, sports tape manufacturers and suppliers in China since 1998. With abundant experience,
... Read more