1ACUPOINT MASSAGE: Finger ball exerciser combines traditional Chinese medicine palm holographic treatment to stimulate acupuncture points, regulating the body's internal organs, yin and yang, qi and blood, reducing disease and promoting health. 2STRING FINGER DESIGN: If the user's fingers are not flexible, the string finger design can effectively prevent the ball from slipping. Split finger design effectively solves finger adhesion caused by contracture of the fingers of stroke patients and prevents erosion between fingers. 3VENTILATION: The raised bump can effectively reduce the contact between the skin and the ball, and the middle is ventilated and breathable, so that the palm will not become stuffy. 4ERGONOMIC DESIGN: Hand grip ball with oval shape design, in line with the five fingers of different lengths, five fingers can be trained at the same time, the effect is more obvious. 5SOFT AND COMFORTABLE: High elastic material feels soft and flexible, can exercise muscle strength and finger flexibility, suitable for primary strength training and rehabilitation training.