Providing 24/7 activity tracking, continuous heart rate measurement, and sleep monitoring from a sleek and attractive watch, the Polar A370 HR Fitness Tracker is just what you're seeking to give your daily workouts a boost, quantify your everyday routine, and increase the restorative nature of your sleep. Available in bright colorways and packing a colorful touchscreen display, the A370 HR Fitness Tracker looks as good as it performs, meaning you'll actually want to wear this watch on a daily basis. Smartphone notifications keep you informed of what's going on without requiring you to be tethered to your phone (so long as it's within a 30-foot radius of the watch). The A370 HR Fitness Tracker's biggest asset is the continuous heart rate monitoring, which comes from a wrist-based sensor. Continuous heart rate monitoring is used to give you a complete daily overview of your activity, as well as calculate an estimate of burned calories in conjunction with your 24/7 activity stats. It feeds all of this data to your smartphone's Polar's Flow app (both iPhone and Android), so you can easily view your daily activity and exercise data in greater detail. The A370 transmits wirelessly via Bluetooth Smart, and can also plug into a computer for syncing up to the Polar Flow web application for Windows and Mac computers. Besides 24/7 activity and heart rate monitoring, it also provides guided workouts with Polar's Smart Coaching, which motivates you to reach your goals in the gym. Smartphone-assisted GPS works outdoors to track your distance, pace, and route with Polar's Web app, which is handy for taking brisk hikes, running through the neighborhood, and exercising outdoors. And when it's time for a restful night's sleep, Polar's Sleep Plus automatically tracks the timing, amount, and quality of your sleep, then compares your overnight sleep to metrics you've pre-selected as a benchmark. That way, you can not only track your sleep, but actually quantify if your overnight z...
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