Not all disposables have LED lights; for those that do, a blinking gentle may sign a couple of points. Essentially the most standard is that the battery is vacant, but lights might blink if you are vaping or (seldom) in various colors dependant upon the charge stage. If in doubt, https://stlth-disposable-vape-can75318.blogdal.com/36354594/disposable-vapes-no-further-a-mystery