The fourth generation products of SMANTIN physiotherapy instrument adopt advanced technology and materials, and have many advantages. First of all, it follows the low-frequency fluctuation and LED technology of Eddy Rheinland, and improves the service time and effect of LED by upgrading multi-wavelength LED. Secondly, the fourth-generation SMANTIN physiotherapy instrument is made of SUS steel, which makes the fluctuation softer and more transparent and provides users with a more comfortable and effective physiotherapy experience. In addition, the product has changed the traditional wired connection mode and adopted a disposable detachable design, which is more convenient to use.