NEW IPHONE 4S 16g unlocked ?

I have for sale a new iphone 4s 16g. my old iphone 4s was not charging properly so i took it to apple and they replaced it with a brand new one. i used it for 3 days untill i got my upgrade for the iphone 5 hence why im selling it. Comes with box, plug, cable, and earphones. this phone is genuine and Immaculate only 3 days old. 300 no offers