KAKAKA 2PCS Cigarette Case/Cigarette Holder/Cigarette Box with Electric Lighter Rechargeable, Flameless, Windproof -Black-

?USB interface will turn blue when charging but sometime it will take minutes to turn blue ?USB interface will turn blue when charging but sometime it will take minutes to turn blue ?This thin cigarette box can pack 20 regular cigarettes not for 100mm'. ?The cigarette box is recharged through USB interface of computer or mobile phone charger,the voltage rating and rated current is DC5V and 1.0A. ?1.5 to 2 hours charging time is enough, overtime could decrease battery life. ?please do not immerse. ?USB cable is under the inside black shell. ?Open the inner red case, the dropped cigarette ash can be cleaned easily. Warning do not touch tungsten wire when igniting