1, Bluetooth fast connectivity, easy operate. 2, Recording smoking puffs, matrixing cigarettes, multi-period statistics, show data for you. 3, A simple slider controls the vapor, so smoking is more dynamic. 4, Colorful LED control, prominent personality. 5, Achieve data sharing, make you enjoying real-time electronic cigarette. 6, Transmission picture and words when power on. 7, Change device name quickly.