Read the device manual
Charge the battery fully
Fill the tank or pod with e-liquid if needed
Let the coil saturate for a few minutes after filling
Turn the device on if required
Adjust wattage or airflow only if you know the recommended settings
Place the mouthpiece between your lips
Inhale gently and slowly
Exhale normally
Start with short puffs
Stop using it if it feels too hot, tastes burnt, or leaks
Replace coils or pods when flavor drops or the device performs poorly
Keep the device clean and stored safely
Keep away from children and pets