The Fitbit Versa 4 Fitness Smartwatch in Black is a versatile and high-quality activity tracker suitable for both indoor and outdoor use. With a display resolution of 1920 x 1080, this smartwatch offers a variety of measurements including heart rate, speed, distance, and more. It features sensors like radar, GPS, and ambient light for accurate tracking, and has a battery life of up to 7 days. The smartwatch also comes with a mobile app for easy monitoring and tracking of your fitness goals. Made of durable aluminum material, the Fitbit Versa 4 is designed for all types of workouts, from running and jogging to yoga and training.