Features of Airis MW: 1.Dual quartz heating coil, and separated heating Chamber, stock and heating at the same time, which make it possible to hold more concentrate at one time, but vape how much you can. 2.Airistech MW is with slim design and hand held size vaporizer. The plug connection offering you much more convenience, and there are two options for the tank, concentrate and CBD tank both available. The universal usb charging port help enjoying the vaping continuously.