①. The Red Light Therapy Belt is a versatile and effective device designed to provide hot therapy for pain relief and promote overall well-being. Utilizing red and near-infrared light therapy, this belt offers multiple health benefits including pain relief, improved blood circulation, and enhanced fat burning, making it a useful addition to any wellness routine. ②. Specifications: Color: Black/Blue; Wavelength: 660nm (red light) / 850nm (near-infrared light); Number of Lamp Beads: 105 pcs; Power: 16W; Input Voltage: 100-240V; Power Bank Support: Yes. ③. Key Features: 1. Hot Therapy for Pain Relief: The built-in heat therapy pad warms the lower back and abdomen, promoting blood circulation and alleviating pain. It is ideal for relieving menstrual pain, sedentary lumbago, lumbar muscle strain, stiffness, and arthritis. It is suitable for women, the elderly, office workers, long-distance drivers, and others prone to these conditions. 2. Universal Fit: The adjustable belt fits waist sizes from 29 to 49 inches. It is lightweight and portable, allowing red light treatment to be applied to any part of the body at any time. 3. Easy Button Control & Adjustable Heat Settings: Simple operation with a long press (3 seconds) to turn on/off. Power button with LED indicator for easy heat setting adjustment: Red (High): 65°C/149°F to 75°C/167°F; Blue (Medium): 55°C/131°F to 65°C/149°F; Green (Low): 40°C/104°F to 60°C/140°F. Short press to switch between heat settings. 4. Enhanced Fat Burning: Designed to retain optimal body temperature in the abdominal area, assisting in fat loss and calorie burning during exercise. It is suggested to use the red light therapy belt after exercise, as experiments show it enhances fat burning compared to not using red light.