5 Brightness Level and 5 Timers: The red light belt offers 5 adjustable brightness level (L1: 660nm red light, L2: 850nm NIR light, L3: 660nm + 850nm, L4: 10Hz Plus, L5: 40Hz Plus). Each level has a temperature: (41°C, 44°C, 48°C, 53°C, 58°C. 5 timer settings are available(5, 10, 15, 20, 25, 30 minutes, and one position "on" means always on) 660nm & 850nm Lamp Design: This red light belt features 105 lamps, each containing two 660nm red light chips and one 850nm infrared light chip. This ample supply ensures excellent performance. The infrared lamp belt utilizes a combination of red and infrared light, making it an ideal choice for you and your family to relax after work or activities Two Power Supply Methods and Portable Design: The red light belt offers two convenient power supply options, allowing you to choose between charging with an adapter and a USB power bank. The infrared lamp belt features a foldable design for easy storage, taking up minimal space. infrared lamp belt also includes a storage pouch for small items like a phone or power bank, making it a convenient choice for home, travel, or work Versatile Application: The red light belt can be used on the head, neck, back, shoulders, hands, and feet, allowing you to enjoy and relax after every tiring moment. Measuring 130 * 18 cm, the infrared lamp belt is suitable for both men and women, making it a great choice for promoting a healthy and active lifestyle for you and your family and friends High Quality Materials: The red light belt is made of durable, wear-resistant, heat-resistant, and age-resistant material, making it resistant to damage. Ergonomic shape ensures a comfortable fit. Its upgraded dust-proof design prevents sweat, dust, and other foreign matter from sticking to the belt, ensuring long-term cleanliness and effective use