![Amazon.com: Garmin Vivosmart 4, Activity and Fitness Tracker w/ Pulse Ox and Heart Rate Monitor, Black Amazon.com: Garmin Vivosmart 4, Activity and Fitness Tracker w/ Pulse Ox and Heart Rate Monitor, Black](https://images-na.ssl-images-amazon.com/images/I/51mjgO5A4KL._AC_SX522_.jpg)
Amazon.com: Garmin Vivosmart 4, Activity and Fitness Tracker w/ Pulse Ox and Heart Rate Monitor, Black
![Anyone has experience with the garmin vivoactive 4? How good is the battery? How accurate is the GPS and the heartrate measurement? Is the UI friendly? : Garmin Anyone has experience with the garmin vivoactive 4? How good is the battery? How accurate is the GPS and the heartrate measurement? Is the UI friendly? : Garmin](https://preview.redd.it/dyszy5i8ap651.jpg?auto=webp&s=c231033f9b1d4aae19dbd6b1b86102568ee78f7a)
Anyone has experience with the garmin vivoactive 4? How good is the battery? How accurate is the GPS and the heartrate measurement? Is the UI friendly? : Garmin
![Garmin's Elevate Optical Heart Rate Accuracy for CrossFit/HIIT 245, 745, 945, Fenix 6, Vivoactive 4 - YouTube Garmin's Elevate Optical Heart Rate Accuracy for CrossFit/HIIT 245, 745, 945, Fenix 6, Vivoactive 4 - YouTube](https://i.ytimg.com/vi/2T66HCUzlus/maxresdefault.jpg)