Best answer as chosen by user technicalhelp: Re: mp3 player
Since it's only a few days old, you still have warranty it on. So back to the shop and ask them to fix it or give you a new one.
It's this one ($11.06 on amazon): http://www.amazon.com/SODIAL-BLACK-FLASH-MEMORY-PLAYER/dp/B008OO5PFY ?
It might be best to consider it a throw-away thing.