Introducing the Fitbit Versa 3 Wristband Activity Tracker in black, model FB511BKBK. This versatile activity tracker is perfect for indoor and outdoor workouts, and comes equipped with a range of features including Bluetooth, GPS, heart rate monitoring, calorie monitoring, and more. The device is made from high-quality aluminum and silicone materials, ensuring durability and comfort during prolonged use.

With a battery life of up to 6 days, this Fitbit Versa 3 is a reliable companion for your fitness journey. It is compatible with both iOS and Android operating systems, and comes with a 1.58-inch display size for easy data review. The device is designed to be worn on the wrist, making it the perfect fitness tracker for gym and training, running, and jogging activities.