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Health Hula Hoop / Health Hula Hoop

Health Hula Hoop

Health Hula Hoop design, it is calculated by the number of turns and time to prompt the course of exercise have not been achieved. The larger the amount of exercise instructions when prompted light the darker, while generating fun during use. The power supply used in the process is entirely generated by friction in the use of power.

University

Jiangxi University of Finance and Economics

Jiangxi University of Finance and Economics
Nanchang, China

yongzhong he,
Jiangxi University of Finance and Economics