Drop, punch the nineteenth day
Today this is the second treasure of my fitness three treasures, the heart rate belt
I usually use this to measure the fitness heart rate when I send punch cards.
# 燃烧卡路里大作战 #
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滴，打卡第十九天
今天这个是我健身三宝中的第二宝，心率带
平常我发打卡的健身心率都是用这个测的哦
# 燃烧卡路里大作战 #
