Fitbit announced several new software updates, bringing advancements to its popular smartwatches and Fitbit Premium membership service so can put health and fitness goals front and center this holiday season and into the new year. The release of OS 4.1 for its smartwatches powers new sleep features and greater functionality right from wrist. Fitbit Versa 2 will boast an enriched always-on display mode,2 expanded capabilities for Amazon Alexa Built-in and a new advanced heart rate algorithm featuring the best tracking yet, all while giving 6+ days of battery life to make the most of days. The OS 4.1 update brings highly-anticipated features announced with Versa 2to Fitbit Ionic™ as well as the entire Fitbit Versa™ family of smartwatches. Among the latest in Fitbit’s innovative sleep tools, OS 4.1 delivers smart wake, a silent on-device alarm can set to wake with subtle vibrations at an optimal time in sleep cycle so it can start day feeling more refreshed. You’ll also receive nightly Sleep Score on-device, giving a glanceable view of the quality of night’s rest alongside all of sleep stats and data. OS 4.1 goes even further to help maximize day, adding more innovative new features that provide enhanced functionality and improved usability. The new agenda app will help take on the day to live best life and help manage daily schedule on-the-go. One of the most requested updates, the new clock face switcher, lets store up to five of favorite clock faces from nearly 4,000 available in the Fitbit App Gallery directly on-device so can quickly and easily swap clock faces to match outfit, activity or mood. A new five-star rating system has been updated within the Fitbit App Gallery, allowing users to rate and recommend their favorite apps and clock faces with the Fitbit user community. Specific to Versa 2 users, Fitbit has doubled-down to enrich the recently-launched always-on display mode to deliver five additional clock face options. Now in color, these feature full health and fitness stats, with faster transitions between always-on and active views, all powered by the device’s AMOLED display, touting a 2+ day battery life. In fact, the battery life is so strong on Versa 2 that even when it’s in always-on display mode, it lasts more than double what that other smartwatch does, so can keep tracking vs. charging. Amazon Alexa Built-in functionality has also been expanded for Versa 2 users so can use voice to start any of the now 20 exercises from wrist. Known for long battery life across all its devices, when do finally need to charge, a new feature will kick-in to notify when battery is running low and automatically disable select features so smartwatch can stay on wrist, not the charger. That means can do even more, 24/7, so even when you’re sleeping, fitness companion is working hard for to track stats and equip with useful information about health and wellness. These updates, along with the full suite of Versa 2 features like 24/7 heart rate tracking, connected GPS, swimproof design, the Spotify app and Fitbit Pay are available across all Fitbit smartwatches. Advanced heart rate algorithm uses machine learning to deliver best tracking yet: Fitbit’s advanced 24/7 PurePulse® heart rate tracking keeps users motivated and informed with an easy way to track heart rate throughout the day. The technology also powers essential Fitbit features, such as Sleep Stages and Cardio Fitness Score, that provide with deeper insights into overall health and fitness. Fitbit is announcing it has been working on a highly innovative algorithm that will deliver the best heart rate tracking experience yet on a Fitbit device to Versa 2 as part of the OS 4.1 software update. The new PurePulse algorithm, designed in-house by Fitbit R&D experts, uses machine learning to recognize the unique signature of heart rate in the optical sensor, leading to higher accuracy overall.