ECT Cos VV Slim Twist Pen 380mAH Battery

ECT Cos VV Slim Pen Features:
Big capacity-380mah,it will last longer
Original items(ECT)–stable and enough profit
Variable voltage–you could choose the voltage you want (2.0V-2.6V-3.3V-4.0V)
Preheating function–pure vapor
510 thread–fit most of the hot cartridges in the market
Easy to use
5 times to turn on or off
2 times to preheat
Twist the dial on the bottom to adjust voltage
Bottom twist,faster to change voltgage
Individual box