We are sorry to hear this.
You can show us how the product doesn't work. If it is confirmed unusable, you can choose to send it back for free replacement or full refund(http://www.dx.com/Page-Conditions#return-policy). We will follow up your case via ticket DF801637B4BD482CB9033995CD22F1AA and find a solution for you there. Be reassured please.
Thanks for your understanding and patience in advance.
Have a nice day!
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