Features:-Using progressive air pressure massage, it can automatically fit according to the muscles to ensure uniform force.-There are 3 modes and 3 levels of intensity. The first level is the soothing mode, the second level is the kneading mode, and the third level is the lifting mode.-Using the pressure mode from bottom to top, it takes the lead in reducing the pressure on the lower part, making the massage more scientific and efficient.-With touch control interface, select mode and intensity with one click.-Using large-diameter Velcro, it is easy to adjust the size and is suitable for people of different body types.-Made of linen fabric with breathable mesh inside, it is stain-resistant and wear-resistant, breathable and comfortable.-Built-in 1800mA.