Elf Bar disposable vape pens contain up to 5% nicotine by weight (50 mg/mL) –with some Hyde and Breeze, using a synthetic nicotine formula. Some Elf Bar devices are free of nicotine salt. Always read the product description to verify the presence of nic. A bateria interna de 550mAh do dispositivo possui propriedade de modo a durar cerca por 1 PO