I wanna know if these headphones will work with the iphone 4 or will i have problems with them like i read around about it auto skipping and volume going up and down and stuff. but can u skip songs on the button on the skullcandy headphones on iphone 4. and should i get headphones the ones that cost bout 20 bucks?or what ones do u recommend getting for iphone 4 if any dont have those problems