The Fitbit Charge HR Heart Rate Activity Wristband Tracker in Purple, model FB405, is a versatile and high-quality fitness technology product. It is designed for both indoor and outdoor use, featuring a sleek black color made of plastic and metal materials. The tracker is compatible with Android operating systems and comes with a Fitbit mobile app for tracking your heart rate, speed, distance, and other activities such as gym training, walking, running, swimming, pilates, and fitness. With features like an alarm, GPS, clock, and calorie monitor, this unisex adult activity tracker is a must-have for anyone looking to monitor and improve their daily fitness routine. Pre-owned Tested
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