I don't have the charger for the Fitbit versa 4 and it works, but the Fitbit inspire 3 doesn't show the screen, it has some vibration

The Fitbit Versa 4 Fitness Smartwatch is a versatile activity tracker suitable for both indoor and outdoor activities. With a high-resolution display and a range of measurement options including heart rate, speed, cadence, and GPS tracking, it provides detailed insight into your workouts. The smartwatch also offers features such as smartphone compatibility, calorie monitoring, and a variety of settings to help you achieve your fitness goals. With a stylish black design and a durable aluminum construction, this unit is a reliable companion for unisex adults looking to track their progress in health and fitness.