The Fitbit Charge 4 Fitness Tracker Smartwatch in Black is a versatile activity tracker suitable for both indoor and outdoor use. It features a 240 x 240 display resolution with a greyscale backlit OLED display, providing users with clear measurements of heart rate, calories, and distance. With a battery life of up to 7 days, this unisex adults' smartwatch is equipped with Bluetooth, GPS, pedometer, clock, heart rate monitor, and water resistance features, making it ideal for running and jogging activities. The lightweight design at 30g ensures comfort during wear, while the manufacturer warranty of 3 months adds peace of mind for the user.
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