Not all disposables have LED lights; for people who do, a blinking light may perhaps signal a handful of things. One of the most standard would be that the battery is vacant, but lights could blink while you are vaping or (rarely) in several colors depending upon the cost level. https://elf-bar08530.wikinstructions.com/1666078/an_unbiased_view_of_vape_shope_near_me