21×8x7.2mm 喇叭腔体,内核为0916 适应于行车记录仪,微投影,智能门锁,智能门铃
Shenzhen Chuanxinsheng Technology Co., LTD
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21×8x7.2mm 喇叭腔体,内核为0916 适应于行车记录仪,微投影,智能门锁,智能门铃
