5. The Fonts In Which The Brand Name Is Written
You should check the real font of the brand name in Google. It should exactly match the font of the brand name on each and every component you get within the box. A little change would prove that you have received fake gadgets.
6. Little Details On The Chargers
Check out for the little details such as seams on the plastic and the smooth endings which would help you distinguish between fake gadgets and real gadgets.
The writing on the charger should also be double checked. The manufacturers who duplicate products do not really pay attention to these details. Additional symbols might be added or existing symbols might be removed. Check it thoroughly before believing in the product.