The concept is fun, have a single USB rechargeable lighter by which, through an electric arc, can be switched on cigarettes or other objects even in windy or rainy. Of course it takes a bit more time to properly light a cigarette but the high temperature of the electric arc is very convenient. Only flaw for me, the plastic a little cheap, which lets me predict that the cap will quickly become damaged and risk no longer close properly. The USB socket is a small plastic flap that slides to connect directly to a USB port, which is handy when some electric lighters require a cable. The practical side is there, but those who seek aesthetics or sustainability should look elsewhere.