How do I get started with my Harmony CBD Pen? Alana July 26, 2018 15:11 Follow Screw the cartridge onto the battery Draw a breath through the mouthpiece The tip of the Harmony CBD Pen will glow a soft blue. This indicates your pen has enough charge to vaporize Enjoy! Related articles What flavors are the Harmony CBD Pen Cartridges? Can I refill Harmony CBD Pen Cartridge? What is the best dosage of CBD? What is the Harmony CBD Pen? What medical conditions can Harmony help me with? Comments 0 comments Please sign in to leave a comment.