Manual
- Carefully pull out the USB jack.
- Connect it to the external battery.
- Start the battery by pressing the button (Optional).
- Press the temperature control switch at chest level for two seconds.
- Red light flashes, automatic heating is activated.
- The red light flashes for 5 minutes, then automatically returns to white light.
- White light on: medium heating temperature has been reached.
- Blue light on: power saving is activated.
- To stop the jacket heating, press the switch for two seconds.