The compound CBD is known for its interaction with the endocannabinoid method. It really works in sync with your endocannabinoid process to encourage your system’s CB1 and CB2 receptors. With the pen pull off black mouthpiece and pull out blue stopper and fill the cartridge with your vape oil. http://maximuscbdbi.vblogetin.com/1408602/not-known-details-about-putting-cbd-oil-in-vape