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• Run, bike, hike and more phone-free and see your real-time pace & distance with built-in GPS. Then check out your workout intensity map in the Fitbit app
• Active Zone Minutes uses your resting heart rate to gauge exercise effort and gives you a buzz when you step up the intensity so you can make the most of your workouts
• Better track heart rate 24x7 with PurePulse 2.0, Fitbit's enhanced heart rate technology
• See your nightly blood oxygen levels at a glance with our collection of SpO2 clock faces. Then use the Fitbit app to track your trends over time in the Health Metrics dashboard to see when there may be indications of important changes in your wellness
• Use Google Assistant or Amazon Alexa Built-in to get quick news, set bedtime reminders and alarms, control your smart home devices and more just by speaking to your watch. Use the built-in mic and speaker to take Bluetooth calls hands-free, send callers to voicemail and adjust volume