This knee care laser massager comes with a sleek and streamlined design. It adopts multi-wavelength laser light irradiation to accelerate blood circulation, promote muscle metabolism and relieve symptoms of knee joint diseases to relieve fatigue of the knee. Users just need to put the laser massager on the surface of the knee and make the machine fixed with the patella properly.

• Media: semiconductor laser & light emitting diode.
• Weight: 400g.
• Ambient temperature: 5-40 centigrade.
• Relative humidity: less than 80%.
• Power supply: DC 6.0V, 2A.