RandM Tornado 7000 is a vape device with airflow control and it is rechargeable. It contains 14ml 5% 2% salt and vape up to 7000 puffs. There are 50 tastes 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 bottom of the device, which guarantee you finish the last drop in the tank all the time.