The Utillian 621 is a more advanced version of the popular Utillian 620 vaporizer. New features include a USB-C port, a convection helix, and a Wax Canister. This type is excellent because it can handle both dry herbs and concentrates without difficulty. It is simple to operate, thanks to its digital display and precise temperature control. The battery charges quickly from 0% to 100% in 90 minutes and can last all day for most average users.