• 【Three-Level Heating Control】Featuring 60℃, 50℃, and 40℃ temperature settings, easily adjustable with one button for both elderly and children.
• 【USB-Powered Convenience】Compatible with 5V power banks and USB ports, ensuring safe and portable warmth wherever you go (not include power bank).
• 【Quick Heating Technology】Feel the warmth spread across your neck within 3 seconds of activation, promoting circulation and comfort.
• 【Auto Shut-off Safety Feature】Automatically turns off after 45 minutes to prevent overheating, ensuring safe use during day or night.
• 【Comfortable and Washable Material】Made from breathable, lightweight fabric with good elasticity, this scarf is easy to clean and sweat-resistant.

Specifications:

• Material: Acrylic fiber
• Length: Approximately 95cm
• Heating Levels: 3 (60℃, 50℃, 40℃)
• Power Source: USB 5V/2A (recommended)