Specifications: Product name:Infrared light therapy cap Material:Lycra Product color: black/red/gray/blue Product Size: 21.5*11cm/8.46*4.33 inch Temperature range:43°C-45°C Light Time:20min Power condition:Type-c 5V-2A Number of lamp beads:120pcs(60pcs 660nm red + 60pcs 850nm infrared) Description: Revolutionary Hair Regrowth: Red Light Growth Beanie, equipped with advanced dual-wavelength technology, combines 660nm red light and 850nm near-infrared light, deep into the scalp. These specific wavelengths are carefully selected to activate dormant hair follicles and promote growth, resulting in thicker, fuller hair. Convenient and Hands-Free Design: Humanized design, lightweight and comfortable, allowing you to enjoy hair care without spending extra time. hats gently promote the health of your hair, ensuring maximum comfort with every use. Technological Innovation: Through 120 high-intensity LEDs, the red and near-infrared light emitted can penetrate deep into the scalp and initiate the growth process. This cutting-edge technology combines science with convenience to give you an unparalleled hair care experience. Comprehensive Care: Not only promotes growth, but also improves scalp health, reduces dandruff, and makes hair healthier and brighter.Suitable for all hair types, suitable for both men and women. Versatile Usage: Wear the Cap during your leisure activities while ensuring it remains connected to the power source for optimal functionality throughout the session. Package: 1pcs Infrared light therapy cap