"Long Life" is a breathing training instrument developed in Japan. It is widely used in local nursery homes or elderly centers for breathing and oral muscle function training. Japan's research shows that after continuous practice, the exhalation time of the elderly can be increased by more than 30%, which has a positive impact on improving their voice and swallowing ability. According to the different exhalation pressures, the entire product range is divided into 5 levels (level 0, level 1, level 2, level 3, MAX). Usage: Take a deep breath and then blow for about 5 to 10 seconds. Do 3 groups each morning, noon and evening, each group 10-30 times. Apart from strengthening the tongue tendons and oral cavity-related muscles of patients with dysphagia, this product can also be used as daily preventive training for the elderly.