Square body styles stops vape pen from rolling away Battery power intended to allow vaping of a variety of pre-filled extracts, essential oils, or delta-8 cartridges as well as concentrate attachments for dabbing. Four Voltage settings (7V, 3.2V, 3.7V, and 4.2V) 15-second pre-heat 12-minute battery life saving auto-off USB and USB-C smart Charging