Banggood Dear tekdara, Thank you for choosing Banggood and sorry for the inconvenience caused. Could you please tell us more information about your peoblem in this link? http://www.banggood.com/Contact-Us_hi111 We will do our best to assist you after we receive the email. Thanks for your understanding and have a nice day.  Best regards, Banggood Team

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Blueboat Did you check for proper battery direction?

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