1,New full automatic battery body,no power button,when you want to smoke,just need to push the body.
2,Fit with the 18650,when you need to use 18500,18350 battery,just use a adapter.(included in the set)
3,Compatible with ego,510 series electronic cigarettes.
4,Fit for MT4 atomizer.
5,Good feeling,cute appearence,and the most popular e-cig.