USB Lighter is a standard portable lighter, which replaces liquid fuel with electricity. This means they can never run out of fuel, as all that is required is a quick recharge in any USB port. It also makes them safer, as they contain no combustible elements, sparks, or liquid fuel-filled chambers.
Powered by a rechargeable battery. No gas/fuel is required.
Can be charged by using USB Slot and does not need to fill any fuel into it.
Does not create a flame, it is electrically operated and environment friendly.