This app is an app for exclusive use of the swallowing exercise monitor B4S (B4S) sold separately, and is used for the tablet attached to B4S. If it is installed on other devices, it may not work properly.B4S can visualize the movement of the larynx during swallowing training from the five CS sensors applied to the larynx, and has the following features.1 Capture and visualize the movement of the larynx during swallowing.2 You can feed back swallowing exercise.◎ Regarding application functions・ By swallowing while watching the waveform, you can work on swallowing training while being aware of the movement of the larynx.・ The movement of the larynx is shared between the trainee and the subject, making it easier to teach swallowing.・ Subjects can be convinced to engage in training and can be expected to improve their motivation.◎ Disclaimer・ The swallowing movement monitor B4S is not a medical device. Talk to your healthcare professional about swallowing function assessments for the purpose of diagnosing, treating, or preventing illness.・ The contents and product specifications are subject to change without notice for improvement.