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🌷【产品规格Product Specifications】：直径约Diameter 4cm
🌷【产品特点Product Featured】：缓解疲劳、促进血液循环、提高心肺功能、调整中枢神经、强化手部力量等。Relieve fatigue, promote blood circulation, improve cardiorespiratory function, adjust the central nervous system, and strengthen the hands.
🌷【产品规格Product Specifications】：直径约Diameter 4cm
🌷【产品特点Product Featured】：缓解疲劳、促进血液循环、提高心肺功能、调整中枢神经、强化手部力量等。Relieve fatigue, promote blood circulation, improve cardiorespiratory function, adjust the central nervous system, and strengthen the hands.