The Vevor red light therapy belt is designed to deliver targeted light therapy to the waist, shoulders, back, neck, and knees. It uses 660nm and 850nm dual wavelengths with 80 LEDs and 240 chips to help relieve muscle soreness, promote circulation, and support recovery. A cordless 3000mAh magnetic power bank and integrated controller make it easy to use at home or on the go. The belt also offers 3 intensity levels, 3-level vibration, 10Hz pulse mode, and timer settings for a customizable therapy session. Its neoprene construction and TPU film surface make it comfortable and easy to clean.