Blueberry Raspberry The Elf Bar 600 is a disposable vape device pre-filled with 20mg nicotine salt e-liquid, with a 550mAh battery providing roughly 600 puffs! Eliquid Amount: 2ml Nicotine Type: Salt based Strength: 20mg Nicotine salts are a naturally occurring blend extracted directly from the tobacco leaf. Nic salt-based e-liquids are absorbed into your system faster than standard freebase nicotine e-juice, providing a much quicker kick and helping to stave off your nicotine cravings. This is a non-rechargeable, non-refillable, disposable device