USB VV Passthrough

This makes continuous smoke sessions super easy! With the USB Variable Voltage Passthrough you just plug the cord in and use. No more worrying about dead batteries that need to charge. Very universal with the variable voltage and a 510 thread fit.

Features:
Easy heat access just plug in. 
Click button to change voltage 
Light color indicates voltage
510 threading 

Contains:
1 USB VV Passthrough