Power on/power off the battery or enjoy vaping can be finished by holding the Power Button.
There are two air slots evenly spaced on the battery top part for airflow
There are multiple protections, such as: 8 seconds protection, low resistance protection, short circuit protection, and low voltage protection
The intelligent battery indicator of VAPE PEN 22 will show clear prompts. The battery life indicator will blink 4 times each time you take a puff. When it blinks fast with 15 times, it indicates that the voltage is lower than 3.3V, please charge.