Charge 6 Black.-Fitbit smartband with basic Google apps like Maps or Wallet.AMOLED screen.-Call, message, and notification alerts.-Heart rate monitoring.-Monitoring of SpO₂ levels, stress, and skin temperature.-Sleep monitoring.-40 sports modes.-5ATM water resistance.-GPS.-NFC.-Battery life of up to 7 days (typical daily use).-Black.Introducing the Charge 6, a Fitbit activity tracker that allows you to organize your day, monitor your physical condition, and get in shape easily.To that end, it integrates an always-on AMOLED screen, more than 40 sports modes, and 24-hour physical well-being monitoring.It now has a more accurate heart rate measurement, and basic Google apps like Maps or Wallet and the ability to control YouTube Music from the wristband.All this with a battery life of 7 days.How many sports modes does the Fitbit Charge 6 smartband include?The more than 40 sports modes of the Fitbit Charge 6 wristband help you track calories burned, changes in heart rate, duration, and other parameters adapted to the training you choose to do.Did you forget to start monitoring an exercise? No problem.SmartTrack automatically recognizes and records your workouts.Meanwhile, Active Zone Minutes reveal how much time you´ve spent in your target cardio zones.Find the motivation to achieve it in your favorite songs and control the playback of YouTube Music directly from your wrist.In addition, the Charge 6 allows you to know your level of aerobic capacity with VO2 max measurements to know how your body uses oxygen when you exert yourself to the maximum.Extreme functionality with Google applications.Of course, everything is much more comfortable when with the Fitbit Charge 6 you can carry your favorite Google applications on your wrist.This will make it much easier to find your way while running or cycling with detailed directions from Google Maps. And, if you need to buy something along the way and don´t have your wallet, use contactless payments with Google Wallet.You can also keep up without missing anything thanks to smart notifications for calls, messages, calendar, and other apps, such as Gmail, Google Calendar, and many more.Does the Fitbit Charge 6 have the Electrocardiogram (ECG) app?Also, the Fitbit Charge 6 smartband has the most accurate heart rate tracking to date.In fact, the Electrocardiogram (ECG) app notifies you of any irregularities in your heart rate, and the EDA sensor shows the body´s response to stress.Then you can discover how all of this affects your night´s rest with the Sleep Score.And, to top it off, Charge 6 detects any changes in your blood oxygen levels and skin temperature to find out more about your well-being.Screen.Display type: AMOLED.Touch screen: Yes.Color screen: Yes.Design.Device type: Activity tracker.Housing material: Aluminum, Glass, Resin.Strap color: Obsidian.Strap material: Silicone.Strap size: Both small (Small) and large (Large) sizes are included in the box.Gender: Unisex.Wrist size: 130.-170 mm (S), 170.-211 mm (L).Closure type: Strap buckle with a pin.Waterproof: Yes.Humidity: water resistant to: 50 m.Water resistance certification: 5 ATM.Product color: Black.Characteristics.Heart rate monitor: Yes.Heart rate sensor type: Optical.Active minutes: Yes.Calories burned: Yes.Distance traveled: Yes.Pedometer: No.Hours of sleep: No.Sleep quality: Yes.Personal goals: Yes.Exercise tracking: Yes. Eating and drinking: No.GPS (satellite): Yes.GPS: Yes.GLONASS: Yes.Vibrating motor: Yes.Blood oxygen level sensor: Yes.Accelerometer: Yes.Call notifications: Yes.Stopwatch: Yes.Date indication: Yes.Timer: Yes.Calendar notifications: Yes.Memory capacity: 7 day(s).Memory capacity for daily totals: 30 day(s).Connectivity.Bluetooth: Yes.Wifi: No.Near Field Communication (NFC): Yes.Power.Rechargeable battery: Yes.Battery technology: Lithium Polymer.Battery life: 7 day(s).Charging time: 2 h.Weight and dimensions.Width: 18.5 mm.Depth: 38.6 mm.Thickness: 11.7 mm.System requirements.Supported mobile operating systems: Android.Environmental conditions.Operating temperature range: -10.-45 °C.Storage temperature range: -20.-45 °C.Operating altitude: 0.-5000 m.Packaging content.Fitbit Charge 6 Black:.Infinity strap (small and large sizes):.Charging cable.Display type: AMOLED.Touch screen: Yes.Color display: Yes.Device type: Activity wristband.Housing material: Aluminum, Glass, Resin.Band color: Obsidian.Band material: Silicone.Band size: Both small (S) and large (L) sizes are included in the box.Gender: Unisex.Wrist size: 130.-170 mm (S), 170.-211 mm (L).Closure type: Strap buckle with a pin.Waterproof: Yes.Water resistance: water resistant up to: 50 m.Water resistance certification: 5 ATM.Product color: Black.Heart rate monitor: Yes.Heart rate sensor type: Optical.Active minutes: Yes.Calories burned: Yes.Distance traveled: Yes.Pedometer: No.Hours of sleep: No.Sleep quality: Yes.Personal goals: Yes.Exercise tracking: Yes.Eating and drinking: No.GPS (satellite): Yes.GPS: Yes.GLONASS: Yes.Vibrating motor: Yes. Blood oxygen level sensor: Yes.Accelerometer: Yes.Call notifications: Yes.Stopwatch: Yes.Date indication: Yes.Timer: Yes.Calendar notifications: Yes.Memory capacity: 7 day(s).Memory capacity for daily totals: 30 day(s).Bluetooth: Yes.Wifi: No.Near Field Communication (NFC): Yes.Rechargeable battery: Yes.Battery technology: Lithium Polymer.Battery life: 7 day(s).Charging time: 2 h.Width: 18.5 mm.Depth: 38.6 mm.Thickness: 11.7 mm.Supported mobile operating systems: Android.Operating temperature range: -10.-45 °C.Storage temperature range: -20.-45 °C.Operating altitude: 0.-5000 m