1:Do not use if you have a pacemaker, or artificial lung,or wear an ECG,or any other internal medical device. 2:Do not use if your are pregnant. 3:Do not use on slippery floor,do not use when your bod

Home/1:Do not use if you have a pacemaker, or artificial lung,or wear an ECG,or any other internal medical device. 2:Do not use if your are pregnant. 3:Do not use on slippery floor,do not use when your bod


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