• Operating temperature: 14° to 113°F. Earn Active Zone Minutes as you progress toward your weekly 150 minutes of heart-pumping activity and use 20 plus exercise modes to track goals like distance, calories burned and more.
• Maximum operating altitude: 28,000 ft. Track all-day activity: your steps, distance, hourly activity and calories burned.
• Use 24x7 heart rate to track resting heart rate & better measure calorie burn
• Stay inspired from the shower to the pool with this swimproof tracker (water resistant to 50 meters) and motivated by connecting with friends, competing in challenges, earning badges and celebrating goal milestones. Track your time in light, deep and REM sleep, then get a Sleep Score to better understand your sleep quality each night. Enjoy 10 days of battery life for daily progress without constant charging. Varies with use and other factors.

-Over 2000+ #certified customer reviews

Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping
We can ship to any address in the United states.