Fitbit Charge 4 Fitness Tracker – Black

Fitbit Charge 4 Fitness Tracker – Black

• 24/7 Heart Rate
  Use 24/7 heart rate to better track calorie burn, optimise workouts and uncover health trends.
• Built-In GPS
  During outdoor runs, rides, hikes and more, use built-in GPS to see your pace and distance on Charge 4, then see a map of your workout in the Fitbit app.
• Long Battery Life
  With a battery life of up to 7 days—and up to 5 hours when using GPS—Fitbit Charge 4 lets you do more with less charging.
• Resting Heart Rate
  Record your resting heart rate, track heart rate trends over time and follow your health & fitness progress.
• Swimproof
  Designed to be water-resistant to 50M, Fitbit Charge 4 automatically tracks swim workouts and can be worn in the shower, pool and beyond.
• Heart Rate Zones
  During workouts, get real-time stats on screen to see whether you’re in Fat Burn, Cardio or Peak zone, so you can dial the effort up or down according to your goals.
• Spotify Control
  Amp up your workout when you control music, like songs and browse playlists and podcasts from Charge 4.
• Sleep Stages and Score
  Charge 4 tracks your time in light, deep and REM sleep stages and gives you a nightly Sleep Score in the Fitbit app, so you can quickly understand your sleep quality and work toward better rest.
• Wireless Sync
  Charge 4 automatically syncs to most popular iOS and Android devices to show your stats, trends and progress on your Fitbit dashboard.