There exists a flashing LED light-weight that's activated if you inhale. In The form of your Posh Emblem, it flashes amongst crimson, orange, purple, blue and maybe a handful of other shade variants from The instant you inhale until you cease. With the built-in rechargeable battery of 690mAh this http://millenniumtechnology.in/index.php?option=com_k2&view=itemlist&task=user&id=4244991