Product features: 1. After starting up, press the heating key to turn on the heating. When walking and kneading do not work, the key heating function cannot be operated; Press the vibration key to turn the vibration on; 2. In the running state after startup, click once to set the vertex of the total travel at this time, and then click once to cancel the previously set vertex and restore the initial travel; 3. When it is not in the kneading state of the lower back travel, press this key to enter the kneading work of the lower back travel. The action modes of the lower back travel kneading and the whole travel kneading are as follows:; 4. The controller also has demo mode. When the movement is not at the bottom, the motor will reset to the bottom by itself, and press the demo key to enter the demonstration mode.