  About this item         Run, bike, hike and more phone-free-and see your real-time pace &amp; 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 24/7 with PurePulse 2.0, Fitbit enhanced heart rate technology     Use the built-in mic and speaker to take Bluetooth calls hands-free, send callers to voicemail and adjust volume (Available when phone is nearby. Requires more frequent charging)     Free 90-day Fitbit Premium trial for new Premium users (New Premium users only. Valid payment method required. Cancel before free trial ends to avoid subscription fees. Content and features may vary by language and are subject to change)     Store and play music &amp; podcasts on Deezer or Pandora, plus control Spotify all from your wrist (Subscriptions required for use of music services; not available in all countries)          