1.Take picture by oneself without asking strangers to help. 
2.Don't have to compete to appear in a photo.
3.When traving,don't have to carry a bulky tripod. 
4.It's easy to have a full scenic background.
5.Colors chosen:red,yellow,blue,green,black.
6.Short delivery schedule.
7.It's light,small,smart and fashion. Make it convienient to share happiness through social networking.
8.Put in a flannel bag,it's possible to carry it when going out.