If there are irremediable defects with the devices, you can return them back to us for repair or replacement.
Please email our Customer Service Department at: firstname.lastname@example.org, we will offer you a return code (e.g. RETURN12345) and our return address, along with additional important instructions.
Generally we advise you to return faulty goods by sending them through the Post Office rather than using couriers like DHL, UPS, and TNT. Normally it will take 2 weeks to return goods to us by Post Office.
If you did not buy your product directly from martEnvy.com website directly, you will need to contact the sales presentivs who sold it to you.