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zz,Gearbest has replied your inquiry.
Dear zz,
Thank you for your inquiry regarding
http://www.gearbest.com/m-goods-sn-220979902.htmYour original question is "is this product using knowles driver?"
Here is the answer from Our Customer service Team:
"
Hello zz,
Thank you for your inquiry.
It will be updated to knowles driver within 7-10 business days.
Thank you for your support.
"

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Gearbest Customer Service Team
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