Its ultra-bright OLED screen makes the display easily visible in day or nighttime conditions and shows steps, stairs distance, calories, activity minutes, time and trophies.
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Climbing a flight of stairs roughly 10 steps is equivalent to taking 38 steps on level ground, Dr. Bassett says.
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Like a mathematical proof, a flight of stairs is a series of logical steps that flow smoothly and intuitively to their conclusion.
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