Just unscrew the top 50 % on the pen, then screw the bottom part in the USB charger. Plug the charger right into a USB port to start charging. Apart from the battery’s contemporary technologies, this dual-use vaporizer also produces pretty flavorful vapor on account of its wick tank. http://bestcbdlondon1.blogofchange.com/1034379/the-greatest-guide-to-how-is-cbd-isolate-made