Easily adjust the voltage to your preferred setting with an output range of 3.3V to 4.8V via the twist dial at the base of the battery.
Power on the device with 5 quick clicks, choose your preferred voltage setting, and press and hold to inhale.
To recharge, remove your cartridge from the device and replace with the included charger.
The light will indicate red when it is charging and will turn green once fully charged.