Penjamin Cart Pen Discreet 510 Battery

The Penjamin™ Cart Pen is a legit pen that also works as a 510 battery, so you get actual writing functionality alongside your aromatherapy sessions. It's got adjustable voltage and a preheat mode, hits smooth with both 1g and 0.5g cartridges, and charges via Micro-USB. The whole thing is compact and discreet, which is kind of the point. Comes with the pen, charger, and a 0.5g adapter.

Highlights:

• Works as a real writing pen and 510 battery
• Adjustable voltage with preheat function
• Compatible with 1g and 0.5g cartridges
• Micro-USB rechargeable
• Discreet design keeps things low-key
• Includes charger and 0.5g adapter
• Compact and travel-friendly

If you want something that actually functions as a pen while also handling your aromatherapy needs, this one does both without looking out of place.