'The Charge tracks steps and sleep, and does it well, but you really should wait for the heart-rate-tracking version next year. Here\'s why.'
Tags: fitness , First look , wearable tech , Scott Stein
See also:'The Charge tracks steps and sleep, and does it well, but you really should wait for the heart-rate-tracking version next year. Here\'s why.'
Tags: fitness , First look , wearable tech , Scott Stein
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