Thank you for contacting us,
If there is any problem with the earbuds, please feel free to contact the seller about the warranty:
Please kindly note that all of our products are backed with 12 MONTHS WORRY-FREE WARRANTY.
Very good. My first Q30 Plus failed after around 6 months, emailed SoundSOUL explaining the problem who responded within 1 day and I was offered a refund or replacement. As I like the headphones I opted for a replacement that was shipped out immediately, no requirement to return the faulty set.