You must have incredible bad luck or bought them all from the same vendor, I've bought 2 of them and they are fine, battery life is around 10 hrs and they play

You must have incredible bad luck or bought them all from the same vendor, I've bought 2 of them and they are fine, battery life is around 10 hrs and they play whatever mp3s I've put on them. Their only weak point is a bit of background noise at low volumes, but for the price they are amazing.