The Polar M430 GPS Multisport Running Watch. - You demand accuracy when you run. Get it with Polars proprietary heart rate algorithm and 6 LED optical sensors built into the watch. - Enjoy the comfort and freedom of strap-free running without compromising the accuracy of your heart rate data. - The Polar M430 harnesses the latest in GPS and accelerometer technology to track your speed, distance and pace whether youre running indoors or out. - Training hard is good, training smart is better. Polars scientifically-validated Smart Coaching delivers the tools you need to achieve your goals with efficiency and precision. - Endurance matters. Thats why the Polar M430 offers multiple GPS recording options for extended battery life, capable of up to 30 hours of training time. - With over one hundred different options to choose from, Polar makes it easy to pick the right sports profile for every training session. - Sleep is vital to your recovery and performance. Polar Sleep technology automatically detects the timing, amount, and quality of your sleep. Because its what you do in the off hours that can make or break your next session.
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