Hi K. Sataporn. We apologise for the delayed reply. The Sales receipt shows that the UR Beats was purchased on 30.4.2014 and customer should also know that the UR beats only has 1 year warranty. However if we look at the RTB repair ticket we can see that it was sent in for repair at RTB on 16.01.2015 therefore RTB is correct to say that the unit have a few months of warranty left.