Lunni Red and Near-infrared Light Therapy Cap (Grey Denim) Designed for effortless, targeted light therapy, this Red and Infrared Light Cap combines modern style with practical performance. Crafted in a stylish grey denim finish, this ultra-lightweight cap features 158 dual-core LEDs delivering targeted 660 nm red and 850 nm near-infrared light right where you need it most. Equipped with a rechargeable 2000 mAh battery and convenient Type-C charging, it gives you the freedom to enjoy soothing light therapy completely hands-free—wherever you are. Comfort, mobility, and effective coverage are built right in, making it a seamless addition to your daily wellness routine. Technical specifications: Rated Power: 5 W Color: Grey denim Input Voltage: 5 V DC Battery Capacity: 2000 mAh Wavelength: 660nm (Red) and 850nm (Near-infrared) Numbers of LEDs: 158 Dual core Charging Interface: Type-C Frequency: 147 Hz / 294 Hz Irradiance (at surface): Up to 60mW/cm² Weight: 0.18 kg / 0.39 lbs Dimensions: 285 × 195 × 125 mm