This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com GPS INTEGRATION - Acquire satellites quickly to more accurately track where you jog or walk - even under Tree cover RUNNING METRICS - This easy-to-use smart band tracks distance, pace, personal records, and includes features like walk/run mode and virtual pacer MOVE IQ - Automatically track your walking, running, biking, swimming and elliptical training throughout the day without needing to start a timed activity 24/7 HEART RATE MONITORING - With Elevate wrist heart rate technology, you can track your heart rate all day and night - Activity Tracking Accuracy (go to garmin.com/ataccuracy)