Garmin’s latest release provides an update to the Vivosmart family.

Garmin rolled out a new watch in its vivo product line last week. The vivosmart 4, the newest edition in Garmin’s line of activity tracking watches, offers a variety of innovative features that gives this latest addition a unique flavor.

The vivosmart 4 maintains a focus on pacing and restoration. The most prominent new feature is the addition of a pulse ox2 sensor, meaning that the tracker measures the level of oxygen saturation in the user’s blood. This technology allows the user to glean insight into their nightly sleep quality, helping to create a balance of rest and activity. This effect is further aided by the addition of Garmin’s advanced sleep monitoring technology, which provides users with estimated statistics on their nightly REM stages and movement and is accessible via the Garmin Connect app.

“Poor sleep quality may contribute to the development of significant chronic conditions,” said Dan Bartel, Garmin vice president of global consumer sales, in an official press release. “With its slim design, the vívosmart 4 is comfortable to wear at night and pulse ox provides customers with information they can use to improve their health.”

On the flip side, the tracker also introduces Garmin’s Body Battery energy monitoring technology that informs users about the statistics on their body’s energy reserves, gathered from information on each user’s stress patterns, heart rate variability, sleep and activity levels. This information helps users understand how to best plan their activity and understand the patterns behind their activity levels. A new feature that reminds users to slow down and relax when their stress levels peak is also included.

Along with these new features, the waterproof tracker carries on with Garmin’s traditional technology, which includes a heart rate tracker, abnormal heart rate alerts, stress tracking alerts, activity suggestions and personal connection applications. All of these applications combine to make the new addition one that helps users monitor the patterns of their lives. The vivosmart 4 is currently on sale for $129.99 and is as durable as it hopes its users will be, clocking in with seven days of battery life. With many different color and buckle options available, the watch is also customizable for each user in this way.

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