1. Imitate artificial massage: 5-level airbag wrap, relax knee soft tissue, by squeezing the knee around the airbag. Automatic filling and relaxation to achieve the effect of massaging the knee.2. Warm heating: 14 kinds of temperature selection speed up blood flow in the knee joint, temperature penetrates the skin, relaxes blood circulation, soothes skin blood circulation.3. Photosensitive radiation: built-in infrared light, penetrates muscles, makes cells more energetic.4. Magnetic Physics: Releases healthy magnetic energy. The built-in energy magnet helps balance the magnetic field at the bottom of the muscle, releasing a healthy magnetic force and speeding up pain relief.5. Relax pain from the inside: solve knee problems. Knee massager, large screen display for easy operation, airbag massage, infrared heating, long working hours, multiple massage modes.The knees bear all the weight of our body and should be massaged.14 temperature options, take good care of your knees.3D infrared heating care.Equal to a private professional masseur's care.High-tech combination, giving you the most comfortable knee massage.Large LCD for the elderly.It is very convenient to use without connecting the charging cable. It can be used for travel or office, life, airplane, and car.