1. Charge the battery fully. The number of LED lights lit up on the battery indicates the battery life length.

  2. Plug the battery into the garment.

  3. Press and hold the temperature control button on the garment for several seconds until the button lights up.

  4. Press the button again to select the heat level (Red = High, White = Medium, Blue = Low).

  5. Press and hold the button until the button light turns off to turn off the battery.