Feature:

1)Variable Wattage:10w-20w-30w
You just need to press the button 3times,then it could be changed--Easy operation.
2)3 colors indicator
10w(the light is Red ),20w(the light is Blue),30w(the light is white)
It is more clearly and intuitively to know the wattage you want.
3)Unique Micro USB charging interface
4)Bright color and small size--it is more fashionable and easy to hold it,match the bright color with white color,it is also unique.
5)Plastic Shell--itis more convenit to carry it,feeling smooth and looking nice.
6)510thread--could match most of the low resistance tank in the market(the range resistance is 0.3ohm-3.0ohm)
7)the designer of this box adopted the simple solutions,the whole box looks simple,delicate and refined.