Infrared Magnetic Therapy Self-Heating Kneepad, Self-Heating Kneepad(Black)

1. Adopt nanometer technology, with dual effects of thermoelectricity & piezoelectricity
2. Help expel wind and clear away cold, warm and activate meridian, promote blood circulation to arrest pain, etc
3. Material: Ultra soft hairy self-adhesive cloth, inlaid high penetration permanent health magnet
4. Circumference: 45cm