Red Light Therapy Devices, Increase Blood Circulation LED Design Infrared Light Therapy Belt for Shoulders Arms for Knees Hands Specification: Item Type: Infrared Light Therapy Belt Material: ABS Timing Time: 15, 30, 60 Minutes Photophysiotherapy Effect:Through Physical Methods, It Emits 620 + 650 + 850nm Light Band (in the Same Band As He Ne , Deep Penetration, Penetrates the Human Body with Red Light, and the Optical Effect of Red Light Band (after Red) Increases the Impact of Light on Mitochondrial Catalase Activity, Enhances Cell Metabolism and Protein Synthesis, and Promotes Local Blood Circulation, Control the Increase of . Physical Therapy Effect of Hot Compress: The Machine Will Emit a Large Amount of Heat During Use, Which Can Get the Temperature of 30-55 Degrees (adjusted According to Its Own Adaptability, and the Heat Can Be Applied to the Skin and Needed Body Parts Package List: 1 x Infrared Light Therapy Belt 1 x Bandage 1 x User Manual