RioRand Windproof Flameless Electronic Pulse Arc Cigarette USB Charging Cigar Lighter Rechargeable No Gas Powered by RioRand Advanced Technology 1,Press the button to the right until cigarette lighter port is fully exposed , it can lit up the cigarette when the heating wire become red. 2, It can lit up 4 package of cigarettes when full-charged, can be charged and discharged 500 times. 3,Only 2-3 hours to full-charge. The LED indicator will light up when charging. 4, Windproof, safety, environmental, energy-saving. ;5, 2.0 USB connector is only used to charge, it can connect to PC or DC 5V charger.