Harmony CBD Pen -
The Harmony CBD Pen is the best option for people wanting to get started in the world of CBD vaporization in a simple and affordable way.
Each 1ml cartridge contains 100mg of CBD (10% concentration) delivering up to 400 puffs.
The fully charged battery lasts as many as 500 puffs in a single charge. The battery is a rechargeable lithium cell, recharging approximately 500 times.