It will stated on the packaging as well as printed on the card itself

I also learn from this thread 4 6 10.  The common class

Go for 32 to 64 gb

Me still thinking what size to buy

Buy casing,white sure will change colour one day

and now i hate samsung QC for what happen to my PB.

I don't think anyone can guarantee that since the phone is so new, but why worry which the back cover can change anytime or casing is available anywhere & cheap.

QC = quality control
PB = pebble blue

erm. you wouldn't understand if i explain in details to you because you need to be an audiophile

but to make it simple, this headphone offers similar sound quality of much exp headphones (RM300 +) but at the same times cost much cheaper

and it comes with a mic. i always try to look for a headphone with mic if i wanna use it with my phone. coz last time i used to not mind about this, but when calls come in its damm troublesome