1、Dual Wavelength Benefits: The 660nm visible light penetrates the skin epidermis, promoting cell metabolism and repairing damaged skin, while the 850nm infrared light, can't be seen, penetrates deeper, generating heat effects on muscles to accelerate blood circulation and relax tense muscles. 2、Timer Function: Equipped with a wired controller for easy adjustment, this infrared light belt features automatic shut off timers of 10, 20, and 30 minutes, allowing users to set their desired treatment duration. 3、Versatile Applications: This infrared light pad can be used on various areas of the body, such as sports injuries, stiff neck and shoulders, back, muscle soreness, and tissue repair. 4、Portable and Energy Saving: Designed to be lightweight and portable, the infrared light device can be powered by AC plug or USB 5V 2A. Simply press a button to apply infrared light to the painful area, providing effective treatment at home, in the office, or while traveling. 5、Perfect Gift Idea: A thoughtful and innovative gift option suitable for occasion like Christmas, birthdays, Valentine's Day, Mother's Day, Father's Day, and as a considerate gift choice for individuals benefiting from infrared light, such as athletes and fitness enthusiasts. Item Type: Infrared Light Belt Material: OK Cloth, Electronic Components Weight: Approx. 507.00g/17.88oz Lamp Cloth Size: Approx. 580x105mm/22.83x4.13in Light Source: Red Lights Wavelength: 660nm and 850nm Control: Button 1 x Storage Bag 1 x Elastic Band 1 x Lamp Cloth 1 x Controller 1 x Plug Line 1 x USB Cable 1 x Instruction Manual