Fitbit Charge 4 Black

With Fitbit Charge 4, there�s no limit to how far you can go. This sleek, swimproof tracker is packed with features that help you know your workouts and your body better like built-in GPS, Active Zone Minutes, Sp02, exercise modes and sleep tracking. Plus, with Fitbit Pay and up to 7-day battery life, you get more convenience on the go and more inspiration to reach your fitness goals.