o pen sesh vaporizerWhat It Is O. pen Sesh is a compact, one button vaporizer that handles three formats in one device. It runs standard 510 oil cartridges, it lets you load your own wax or rosin on the concentrate atomiser, and it includes a dry herb atomiser for small, tidy sessions. The idea is simple, one pocketable device that covers most preferences. Formats It Supports Use 510 cartridges when you want quick, clean puffs with minimal setup. Switch to the