Garmin Vivoactive 4 45mm


Get the perfect balance of style and functionality with the Garmin Vivoactive 4 45mm, a smartwatch designed to help you stay active and connected throughout the day.


Garmin has been a leading player in the smartwatch market for a while now, and its latest release is the Vivoactive 4 45mm smartwatch. With its sleek design, advanced health tracking capabilities, and a range of features perfect for fitness fanatics, this watch is truly a game-changer.

Firstly, the Vivoactive 4 45mm boasts a durable stainless steel bezel, which not only looks great but also helps to protect the watch from damage. It has a 1.3-inch touchscreen display that is easy to navigate and read, even in bright sunlight. The watch is also extremely light, weighing in at just 50.5g, making it comfortable to wear for long periods of time.

For fitness enthusiasts, the Vivoactive 4 45mm has an impressive array of health tracking features. It can monitor your heart rate, track your steps, monitor your sleep, and even offer guided breathing exercises through the in-built breathing app. The watch also has built-in GPS that can track your runs or walks, providing you with detailed insights into your performance and route.

The watch has a range of preloaded sports apps, including yoga, swimming, and strength training. This makes it perfect for anyone looking to improve their fitness routine, and with the watch’s advanced metrics, you can track your progress and set new goals.

The Vivoactive 4 45mm is also great for everyday use, thanks to its range of smart features. You can receive notifications for calls, text messages, and emails directly on your wrist, making it easy to stay connected while you’re on the move. The watch also has Garmin Pay, making it simple to make contactless payments without having to carry your phone or wallet.

One of the standout features of the Vivoactive 4 45mm is its battery life. With up to eight days of battery life in smartwatch mode and six hours of battery life with GPS and music, you can wear it all day and night without having to worry about charging it.

Overall, the Garmin Vivoactive 4 45mm smartwatch is an excellent choice for anyone who wants a watch that can keep up with their active lifestyle. It has advanced health tracking capabilities, an intuitive interface, and long battery life, making it a top contender in the smartwatch market.

Sport Watches

Garmin Vivoactive 4 45mm properties

Product nameVivoactive 4 45mm
TypeSport Watches
SeriesGarmin Vívoactive
SportsCycling, Fitness, Golf, Running, Swimming
Heart Rate MonitorBuilt-In
FeaturesAccelerometer, Barometer, Compass, Gyroscope, Pedometer, Sleep Tracking
Battery TypeLi-Ion
Battery Life192.0 h
Wireless CommunicationANT+, Bluetooth, NFC, Wi-Fi
Navigation SystemGLONASS, GPS, Galileo
Colour (Watch)Black, Grey
Colour (Strap)Black, Grey
Material (Watch)Fiber-reinforced Polymer, Stainless Steel
Material (Strap)Silicone
Glass TypeGorilla Glass
Water ResistantYes
Water Resistant (Classification)5 ATM (50m)
Smartphone CompatibilityAndroid, iPhone
Screen TypeMIP
Colour ScreenYes
Screen Size1.3 “
Screen Resolution260×260
Weight51 g
Height45.1 mm
Thickness12.8 mm
Width45.1 mm

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Frequently Asked Questions:

What is the difference between Garmin Vivosmart 4 and Garmin Vivoactive 4?

The main differences between Garmin Vivosmart 4 and Garmin Vivoactive 4 are:
1. Design: Vivosmart 4 has a slim, lightweight design with a smaller, rectangular touchscreen display (1. Vivoactive 4 features a larger, round AMOLED touchscreen display (1. Fitness tracking capabilities: Both devices track heart rate, steps taken, distance traveled, calories burned, and sleep quality. However, Vivosmart 4 does not have built-in GPS for mapping routes or advanced sports apps like Vivoactive 4. Connectivity: Vivosmart 4 connects to a smartphone via Bluetooth, while Vivoactive 4 can be paired with both Bluetooth and Wi-Fi. This allows Vivoactive 4 to sync data directly to Garmin Connect without needing the phone nearby. Battery life: Vivosmart 4 has a battery life of up to 7 days in smartwatch mode, while Vivoactive 4 offers up to 8 days of battery life with regular use. Water resistance: Both devices are water-resistant for swimming and showering but differ slightly in their depth ratings; Vivosmart 4 is rated at 5 ATM (up to 50 meters) while Vivoactive 4 is rated at 10 ATM (up to 100 meters). Price: Vivosmart 4 typically costs less than Vivoactive 4 due to its more basic features and design.

How do I set up sleep monitoring on my Garmin Vivoactive 4 45mm smartwatch?

To set up sleep monitoring on your Garmin Vivoactive 4 45mm smartwatch, follow these steps:

1. Make sure your watch is charged and connected to the Garmin Connect app on your smartphone via Bluetooth. On your watch, swipe down from the home screen to access the quick settings menu. Tap the gear icon in the upper right corner of the screen. Select "Sleep" from the list of options. Turn on sleep monitoring by toggling the switch next to "Sleep Monitoring" to the right (it will turn green). Customize your sleep settings by tapping "Advanced Settings". Here, you can choose whether or not to track REM sleep and set a sleep goal. Once you've made your selections, tap "Save" at the bottom of the screen. The watch will ask if you want to start tracking your sleep right away; select "Yes". If you prefer, you can choose to begin sleep monitoring at a later time by tapping "Later". After setting up sleep monitoring, wear your watch to bed each night and it will automatically track your sleep stages and duration. You'll be able to view detailed sleep reports in the Garmin Connect app.

How do I set up my Garmin Vivoactive 4 45mm for the first time and sync it with my smartphone?

Unbox your Garmin Vivoactive 4 45mm and ensure that all the contents are present, including the device itself, charging cable, manuals, and other accessories. Charge the device fully using the charging cable provided in the box. It takes approximately 2 hours to charge completely. Download the Garmin Connect Mobile app on your smartphone from the App Store (iOS) or Google Play Store (Android). Create a new account or sign in with your existing credentials. Follow the on-screen instructions to set up your profile and preferences. Open the app, and tap the "Add Device" button. Select "Vivoactive 4 Series" from the list of devices available for pairing. Turn on Bluetooth on your smartphone and ensure that it is paired with your Garmin Vivoactive 4 45mm. This can be done by pressing and holding the device's button until the screen displays "Pairing. The app will automatically detect the device and prompt you to complete the pairing process. Follow the on-screen instructions to complete the setup, including connecting your smartphone to a Wi-Fi network for automatic software updates. Once the device is paired successfully, configure it according to your preference. You can customize watch faces, widgets, and apps from the Garmin Connect app or Garmin Connect website. Wear the device on your wrist, and make sure it's snug but not too tight. It should be comfortable enough for you to wear all day and night. Start using your new Garmin Vivoactive 4 45mm by accessing its features through the buttons on the side or by tapping the screen. You can track activities, monitor sleep, receive smart notifications, and more. Enjoy exploring your new gadget!
11. Regularly sync the device with your smartphone via Bluetooth to ensure that all data is accurately transferred between both devices. This can be done manually from the Garmin Connect app or automatically when in range of each other.

Do you know that you can use Garmin Vivoactive 4 45mm as a GPS Tracker?

All smart watches and sports bands equipped with GPS receivers such as Garmin Vivoactive 4 45mm can be used as a GPS tracker. It doesn't matter how you connect to the internet - direct (eSIM) or indirect via a smartphone. In both cases, you can track your wearable device online in real time. More information is available on this GPS tracking platform for smartwatches.

What features has Garmin Vivoactive 4 45mm?

This device has accelerometer, barometer, blood oxygen level (spo2), compass, gyroscope, pedometer, sleep tracking. You might be interested in some other devices with sleep tracking. If that so, you can find it here.

What kind of wireless communication do you need for activity tracking?

If you want to track your activity during training, you need a device that can communicate. Garmin Vivoactive 4 45mm have several types of comunication. For example ANT+, Wi-Fi. The best activity truckers have Wi-Fi and you can find them here. More information about wireless communication in activity trackers can be found in our article.