The Fitbit Versa 4 Fitness Smartwatch in Black comes in an open box and includes one item. It features a high display resolution of 1920 x 1080 and is powered by batteries with a battery life of up to 7 days. This activity tracker by Fitbit provides measurements for heart rate, speed, cadence, time, resistance level, calories, distance, and watts, making it ideal for activities like gym training, weightlifting, swimming, yoga, and running. With features like a clock and sensors for radar, GPS, and ambient light, the Fitbit Versa 4 is a versatile fitness technology for indoor and outdoor use.