Appalling Customer Service

I bought a set of iFrogz earphones on the 30th of October 2017 at the Musica at Key West Shopping Centre and was told that they have a 6 months guarantee. Today on the 26th of January 2017 I returned the earphones as one of the earphones is no longer working. The service, from when I walked throught the door, was appaling to say the least, the boy that was helping me definitley did not even want to be there. I kept getting questioned on where I had bought them and even got accused of lying about it. The boy asked the girl at the till to check on the system and after scanning the barcode it showed that the earphones were indeed purchased in the store on the 30th of October but the girl was still adamant and had the audacity to ask me why I am lying to them becasue according to her, my receipt doesnt match what their system says. I obviously do not know what on earth she was implying becasue she scanned the faulty earphones and they popped up on her system, they then proceeded to whisper to each other and practically threw a form that I had to fill out with my details. The entire experience for something so small made me feel like I was a ******** who was receiving a favour from Musica. I finally got a new set of earphones but am most certainly disapointed by the bad attitude that the employees have. Lenah is the girl at the till who was reluctantly "helping" me, I am assuming thats what her name is because my slip says so, I didnt bother looking if they even had name tags on becasue I wanted to get out of the store as quick as possible since I was clearly not welcome