About this product
Brass Knuckles battery is designed to utilize concentrate oil cartridges. Brass Knuckles vape pen battery features variable voltage and preheat mode. It works like a regular vape pen battery with single button operation settings: 5-clicks will turn on or off the battery, 2-clicks will activate the preheat mode for 10 seconds and 3-clicks will switch the voltage, LED light will change the color according to the voltage settings: Green - 3.7V | White - 3.2V | Blue- 4.1V. Features Connect: 510 Thread 5-Clicks: On/Off Switch 2-Clicks: Preheat Mode 3-Clicks: Voltage Switch
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"(1) Marijuana has intoxicating effects and may be habit forming and addictive."; (2) "Marijuana impairs concentration, coordination, and judgment. Do not operate a vehicle or machinery under its influence."; (3) "There are health risks associated with consumption of marijuana."; (4) "For use only by adults twenty-one and older. Keep out of the reach of children."; (5) "Marijuana should not be used by women who are pregnant or breast feeding."