The Garmin Venu 3 is a smartwatch you can use to track and improve your health. With the Venu 3, you measure your stress, sleep, heart rate, and activities. You also gain insight into the results of your workouts. The battery lasts 10 to 14 days, so you don't have to charge your Garmin watch often. You can buy the Garmin Venu 3 in 2 different sizes, 41 and 45mm. Measure your wrist circumference before you buy a smartwatch. That way, you can be sure it fits well. The Venu 3 is the successor to the Garmin Venu 2.