L412 Smoke electronic cigarettes 1.Built-in 950mA charger 2.USB,adapter,PCC:5 cartridges 3.CE,ROHS,SGS,FDA,FCC ... ,stop smoking;3.When testing to battery voltage less than 3.3V start low voltage alarm functionsWith 1 Hz ac frequency indicator ... for flash 10 times,Remind customers want to charge4.USB charging process ...