Check to see if your product is a genuine product with these links:
Use this website to see if your SMOK products are authentic.
On the bottom right-hand corner of Aspire’s website, you will see the authenticity verification.
Use this website to see if your KangerTech products are authentic.
This website will allow you to check to see if your Innokin products are authentic
On the bottom of Joyetech’s website, you will see a spot to enter your serial code to see if your new Joyetech product is authentic
Use this website to see if your Eleaf products are authentic.