R and M Tornado 10,000 is a disposable vape device with airflow control and it is rechargable. It contains 2ml 2% nicotine salt e-juice and vape up to 10k per device. There are 12 flavors for you to choose. The airflow control let you choose the best spot suit yourself plus it comes with a rechargeable Type-C port at the buttom of the device, which gurantte you finish the last drop of the ejuice in the tank all the time. R & M