Mr.SMOG BOSS is a disposable vape device with Mesh coil technology and it is rechargeable. It contains 15ml 5% nicotine salt e-juice and vape up to 7000 puffs. There are 10 flavors for you to choose. it comes with a rechargeable Type-C port at the button of the device, which guaranteed you finish the last drop of the ejuice in the tank all the time.