Fitbit has updated its Fitbit OS operating system for its popular smartwatches and Fitbit Premium membership service. The release of OS 4.1 brings major improvement to heart rate tracking. Thanks to an adjustment to its algorithms, PurePulse will be working better than ever on Versa 2 to make it much more accurate. The update also brings new sleep features and greater functionality right from your wrist.

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Fitbit Versa 2 will boast an enriched always-on display mode, expanded capabilities for Amazon Alexa Built-in3 and a new advanced heart rate algorithm featuring the best tracking yet, all while giving you 6+ days of battery life, Fitbit said in a press release.

Fitbit is also continuing to roll out new content and tools to enhance your Fitbit Premium membership, including a personal wellness report. In addition, over the coming months, Fitbit will be rolling out new programs, challenges and wellness content, plus workouts from popular brands like Daily Burn, Down Dog, Gaiam, POPSUGAR and Whil.

With your new, personalized wellness report, you can view an in-depth analysis of your Fitbit activity, sleep, heart rate and weight trend data for the previous 30 days or past year for long-time users.16 You can share this with your healthcare professional, personal trainer or nutritionist to review your health trends over time, to better identify a potential health issue or help manage ongoing conditions.

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“Staying motivated to maintain your health and fitness routine is really hard around the holidays. We’re focused on making it more achievable through a combination of affordable devices, engaging software and our Premium membership to help you stay on track,” said James Park, co-founder and CEO of Fitbit. “The new FitbitOS update and added Premium features give users even more support with innovative smartwatch tools, fresh workouts, new programs and more, setting users up for success going into the new year.”

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Another exciting addition to this update is the ability to adjust watch faces directly from the device. Now, Fitbit users can store up to five of their favorite watch faces from about 4,000 available from the Fitbit App Gallery. Before this, users had to pair their devices to a smartphone and then use the Fitbit app to change faces.

FitbitOS 4.1 will begin rolling out to Fitbit smartwatch users the first week of December, just in time for the holidays. Fitbit Premium members can already access and enjoy many of the latest updates, with the rest rolling out on an ongoing basis in the coming months.

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