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Featuring GPS technology, the Polar M400 Activity Tracker will take your training to the next level. Tracking your pace, distance, altitude, and calories burned it will let you know you're fitness achievement for each workout, and gently vibrate to let you know when you need to move throughout the day. Use the Polar Flow App to set goals, track your progress, and compare with your friends.
Tax is only charged if shipping to California. Visit our Shipping Info page for additional information.
We honor returns within 30 days from the original delivery date and offer free exchange shipping. Some restrictions do apply for built-to-order items, or very large items like furniture.
For additional details, or to initiate a return, please visit our Returns Page.
*Please note that while we do our best to have the most up to date product imagery, in-line changes will happen with brands and the actual product shipped may differ slightly.