OPTIMUM SMARTPEN ™ Now comes the ultimate pen battery for the ultimate cartridge.
Advanced micro-processor technology ensures you can dial in the hit you are seeking every time!
- Three different voltage settings provide the Optimum experience, regardless of viscosity or temperature conditions.
- A preheat setting that will prep your oil for the ultimate hit – even on the coldest days of winter.
- Five click lock & unlock to avoid accidental startup when stored ^ Three Adjustable Voltage Settings (2.6v, 3.3v, 4.0v)
- Fits with any 510 thread cartridge INCLUDED:
- 1 x 400 mAh Variable Voltage Battery ^ USB Charger