Sure, KAJOINHK team is glad to help you at any time.

Here, we suggest you check the English manual that comes with the product, or you can check for online manuals or Blogs for advice. If you still can’t figure out the problem, please submit a ticket to our customer service representative at: http://www.kajoinhk/contact_us.html. They will offer you professional tech support and help you assess if your product is defected.