Arcs mind- blowing invention has come to light. A rechargable lighter and grinder in one. This 5 piece grinder has an additional perk, no fluid, no flame lighter added at the top of the grinder. This 2 in 1 lighter/grinder comes with a usb charger, NO BATTERIES NEEDED! Easy access to the no rechargable lighter if you get curious! What's not to love? You have a lighter in your grinder, you won’t have to worry about remembering a lighter every again!