• 【Smart 3-Level Temperature Control】Intelligent heating system with three temperature settings: red light (45°C), green light (40°C), and blue light (35°C) for customized warmth in freezing conditions down to -10°C.

• 【30-Second Rapid Heating】Advanced carbon fiber heating elements provide large-area heat coverage, warming your head quickly and efficiently within 30 seconds.

• 【USB Powered Convenience】Compatible with power banks and USB ports, providing flexible power options for outdoor activities and daily commuting.

• 【Detachable Design】Removable power cable allows the hat to function as a regular winter beanie when heating is not needed, offering versatile usage options.

• 【Machine Washable】Both machine and hand washable design with gentle cleaning recommendations to extend heating element lifespan, featuring soft padded liner for comfort.

• 【Waterproof Heating System】Sealed heating components prevent water damage and electrical hazards, ensuring safe operation in various weather conditions.

Specifications:

• Heating Technology: Carbon Fiber Wire
• Power Supply: USB Interface (5V), Compatible with Power Banks
• Hat Dimensions: Height 23cm × Width 20.5cm
• Net Weight: Approximately 130g
• Outer Material: 100% Polyester Fiber (Woolen Plush)
• Inner Lining: Padded Fleece Liner
• Head Circumference: Women 53-60cm, Men 51-61cm
• Washing Method: Machine/Hand Washable