510 Threaded Cartridge Battery

* 1g or 2g cartridges


* Button or air-draw vaping

* Removable case for concealed vaping

* Battery capacity: 650mAh
* 2.8v, 3.4v, 3.8v voltage output options


* 3 clicks to change voltage, 5 clicks to power on/off 

* Pre-heat function: 1.8v for 15 seconds, activated by 2 clicks