Screw the USB charger onto the battery and plug into a USB charging device or outlet. When charging is complete, the USB charger will illuminate green and the battery will stop flashing.
Turn the device on by quickly clicking the button on the battery 5 times. A white light will indicate that the device is on. Press and hold the button while inhaling from the cartridge. Do not hold the button down for longer than 10 seconds at a time.