Closed electronic cigarette is currently the mainstream type of electronic cigarette on the market, and the general term for replaying electronic cigarettes and disposable electronic cigarette products.
Because these electronic cigarettes take a closed system, that is, there is no need to set product parameters, can not disassemble the product at will, can not inject cigarette oil by themselves, cigarette cartridges as a one-time use, use up and change, similar to this product is called closed electronic cigarettes.
