Targeted Relief for Knees, Elbows, and Shoulders. Infrared Heat Therapy: Penetrates deeply to improve circulation and accelerate healing. Magnetic Therapy: Built-in 2000 Gauss magnets enhance circulation and reduce inflammation. LED and Tungsten Light Therapy: 4 infrared and 6 tungsten warming lights stimulate circulation. Comfort Vibration Massage: High-frequency vibrations help relax tense muscles and promote mobility. Independent Mode Control: Choose to use heat, massage, or both simultaneously. Ergonomic and Adjustable Fit with straps for flexible use on multiple joints.