This electronic dab straw device has a 500 mAh battery which can provide multiple sessions between charges. It has 3 temperature settings indicated by LED lights: 3.2V green, 3.4V blue, and 3.8V red. The control button is on the very top and turns it on and off, changes the voltage, and heats the tip. The airflow inside the device instantly cools the smoke as soon as it is vaporized.