The jacket features built-in heating zones powered by a USB connection. Simply connect a portable power bank (not included), press the chest button, and select your preferred heat level. The heating zones warm up key areas like the neck and back for optimal comfort.

Yes, the jacket is washable. Before washing, remove the power bank, and use a neutral detergent. Hand wash gently without force kneading or beating. Allow the jacket to air dry naturally before use.

The jacket offers three heat levels:

• Red (High): 55°C
• Blue (Medium): 45°C
• White (Low): 35°C
  You can manually adjust the heat level by pressing the chest temperature control button.

Yes, the jacket is compatible with most 5V/2A portable power banks. Ensure the power bank has enough capacity for extended heating sessions.

Do not use the jacket if it’s wet. Turn off the power immediately and allow the jacket to dry completely before using it again. This ensures both safety and functionality.