40 mm speaker thin flat inner built-in loud speaker high quality
Product Name 40mm speaker Related model 0.5inch,1.0inch,1.5inch,2.0inch,2.5inch,3.0inch,3.5inch,4.0inch,4.5inch,5.0inch,5.5inch,6.0inch,6.5inch,8inch,10inch,12inch,18mm,20mm,23mm,26mm,27mm,28mm,30mm,31mm,32mm,34mm,36mm,40mm,42mm,45mm,50mm,52mm53mm,57mm63mm,66mm,78mm 82mm89mm92mm102mm105mm .Round shape or square shape etc..please contact us and provide for your more size for you choose Material Matel or Plastic Function play ,wireless, Perfect sound speaker and multi-functional products, more widely used, applicable to any electronic product Customized service Yeah， Based on your drawings or require customization […]