Tracking your heart rate is one of the best ways to measure workout intensity. But the Polar H7 Heart Monitor does more than count beats per minute. The device also records exercise time, pace, distance covered, calories burned, and percentage of body fat lost. The gadget can be hooked up to dozens of fitness apps, including the Polar Beat iPhone/iPad app, as well as compatible gym equipment. ($80, polarusa.com)
From correcting your posture to tracking your sleep quality to diagnosing your next cold or flu, these brand new high-tech tools can help you live a fitter, healthier life.
Polar H7 Heart Monitor
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