360 LEDs Full Foot Coverage: Covers ankle, heel, sole and toes completely. 660nm red light eases superficial soreness, while 850nm infrared light penetrates deep tissues to release foot stiffness and fatigue. High Power Efficient Therapy: Max 43W power delivers irradiance up to 151mW/cm². Effectively reduces inflammation, boosts blood circulation and relieves foot discomfort thoroughly. Ergonomic 3D Wearing Design: Easy to put on and operate. Fits foot size up to 12, bringing comfortable fitting experience for most users. Convenient Household Foot Care: Professional home therapy suits long-time standing crowd and post-exercise recovery. Relieve fatigue and help improve sleep quality after daily activities. Regular Use for Better Effect: 20-minute daily use brings gradual soothing effect. Barefoot use is suggested to guarantee optimal light treatment performance.