It depends on your outfit, mm. Pick a color that goes with most of your cloths. That said, it's usually easier to take care of darker colors than lighter shades.
x*n
7 楼
感觉还是第一个红色比较经典。
f*r
8 楼
mm, you are looking at the limited edition which just came out. you get a free key chain, a very good deal! I think there most popular color is black, but all their colors are pretty.