Exclusive with the AiroPro Cartridges Its sleek and slim design allow it to be used discreetly in any public atmosphere, while still packing a hefty enough battery to deliver you the vapor you are looking for! You will also know that the AiroPro Rechargeable CBD Vaporizer is working as the device delivers a gentle vibration to indicate it’s active. It’s 8.5 watt output provides you with a 2 second draw each time you hit it. Not only is it rechargeable, it gradually tells you its power level! So no matter if you’re out on the town or just hanging on the couch, you know exactly when you need to charge up!