USB rechargeable candle lighters work on the principle of electric coil that produces electricity and are powered by a long-lasting Li-on battery. They have several advantages:
 
They are a durable product that leads to less waste.
They are often made without plastic.
They are safer to use than gas lighters or matches.
They are easy to use, light the wick very fast and will reach even deeper candle jars.
They are wind-proof and can easily be used outside.
They come in elegant designs.