When thoroughly billed, the Pax three can run for near to one.5 hours, or all over 8 total vaping sessions. Though chunkier than the standard THC vape pen, it’s arguably the smallest dual-use machine that you can buy. This multi-faceted design ticks the many boxes for just a minimalist THC pen.GuidesGuides 2Guides 3Guides 4Guides 5Guides 6Guides