A: The V3 presents effective switch activation, Superior airflow, and 2g potential. The V4 is a more recent era with a lot more precision and battery enhancements. Elevate your vaping journey to new heights With all the slicing-edge Boutiq Switch V4. This State-of-the-art product is loaded with abilities created https://isitedirectory.com/listings13386575/5-simple-statements-about-boutique-switch-v3-explained