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Product
Cigarette USB Rechargeable Electric Lighter  Windproof no gas flameless lighter with USB charging cable, Less than 1.5 hour quick charge

Cigarette USB Rechargeable Electric Lighter Windproof no gas flameless lighter with USB charging cable, Less than 1.5 hour quick charge

USD $11.99  

How long does the heat go down before i can put it back into pocket?

Generally the out side will not get hot because its element(spark) is within the lighter. But it is still possible to get hot for the metal material, so we suggest you'd better put it into the cigarette pack.