Vibe earphones cable seems to be broken

Question

i bought my earphones 5 months ago and had no problem with it but one day the sound started fainting and i checked the connection on my ipod and there was no problem  i try so put some music but i couldn't hear anything i moved the cable a little bit to the right i could barely hear some music i checked the cable with 3 ipods, 1 iphone and my phone and it was the same with all devicesmy conclusion is that the cable has something what should i do