Charging Through The USB Interface, No Gas Nor Is Needed. One Button Design For Easy Operation: Slide Up For Charging And Push Up For Lighting Cigarette. Environmentally Friendly: Electrically Operated, No Is Needed, Flameless Portable Mini Size And Elegant Appearance. It Can Light A Cigarette In Any Weather: You No Longer Have To Worry About Wind. Powered By A Rechargeable Battery. It Could Be Charged With Using USB Cable From Laptop, Computer & Any Other Mobile Charger Having USB Port, DUMMY It Does Not Need Fill Any Into It. Does Not Create A Flame, It Is Environmentally Friendly. Uses Intense Heat To Light Cigarettes. Lights A Cigarette In Any Weather.