510 Threaded Cartridge Battery

Comes as a 1g or 2g cartridge, comes equipped with a button, or supports air-draw vaping, and rocks a 650mAh battery, capable of 2.8v, 3.4v, or 3.8v output options. The case can be removed for concealed vaping.   2 clicks of the button activates the pre-heating function, 1.8v for 15 seconds, 3 clicks allows you to change the battery voltage, and 5 clicks powers the device on or off.