1. Prodotto finitoview
The Fitbit Charge 4 is a versatile fitness and activity tracker designed to help you monitor your health and fitness goals. It features built-in GPS, continuous heart rate tracking, sleep monitoring, and swim tracking capabilities. The device also includes smart features like Active Zone Minutes, Spotify controls, and Fitbit Pay for convenience.
Caratteristiche principali:
- GPS integrato: Track pace and distance during outdoor activities like runs, rides, and hikes without needing your phone. View mappe dell'intensità dell'allenamento nell'app Fitbit.
- Minuti in zona attiva: Receive a buzz when you reach your target heart rate zones during exercise, and earn extra minutes for activity outside of workouts.
- Monitoraggio della frequenza cardiaca 24 ore su 24, 7 giorni su 7: Monitor resting heart rate and accurately measure calorie burn throughout the day and night.
- Monitoraggio SpO2: View your nightly average and range of blood oxygen saturation on your wrist, and track trends in the Fitbit app. (Note: SpO2 feature is not intended for medical diagnosis or treatment.)
- Monitoraggio del sonno: Monitorare il sonnotages and receive a sleep score to understand your sleep quality.
- Monitoraggio della temperatura cutanea: Track nightly skin temperature variations from your personal baseline. (Note: Not intended for medical purposes.)
- Oltre 20 modalità di esercizio: Track workouts in real-time with goal-based exercise modes.
- Swim-proof Design: Water-resistant up to 50 meters, suitable for tracking swims and wearing in the shower.
- Spotify Controls: Manage your favorite songs and playlists directly from your wrist.
- Fitbit Pay: Make secure purchases directly from your wrist at compatible locations.
- Notifiche smartphone: Receive call, text, and app notifications on your wrist.
- Batteria a lunga durata: Up to 7 days of battery life, or up to 5 hours with continuous GPS use.

Image: The Fitbit Charge 4 Fitness and Activity Tracker, black band, worn on a wrist, displaying time and activity metrics.
2. Impostazione
2.1 Carica iniziale
Before first use, fully charge your Fitbit Charge 4. Connect the charging cable to a USB power source and attach the clip to the back of your Charge 4, ensuring the metal pins align with the charging contacts.

Image: A person's hands demonstrating how to connect the Fitbit Charge 4 to its charging cable, highlighting the alignment of charging pins.
Charging may take some time, especially for the initial charge. A full charge typically lasts up to 7 days, or 5 hours with continuous GPS use.
2.2 Device Pairing and App Installation
- Download the Fitbit app from your device's app store.
- Open the Fitbit app and follow the on-screen instructions to create an account or log in.
- Select 'Set up a Device' and choose Fitbit Charge 4.
- Follow the prompts to pair your Charge 4 with your smartphone. This requires Bluetooth LE and an internet connection.
- The Charge 4 syncs with devices running Mac OS X 12.2 and up, iPhone 5S and later, iPad 5th generation and later, and Android 7.0 and later.
3. Utilizzo del Fitbit Charge 4
3.1 Navigazione nell'interfaccia
The Charge 4 features a touchscreen display and a single button on the left side. Swipe up, down, left, or right to navigate through menus and stats. Press the button to return to the clock face or access quick settings.
Video: Un dettagliato sopraview of the Fitbit Charge 4's interface, demonstrating how to navigate through various screens and settings, including exercise modes, Spotify, agenda, relax functions, timers, alarms, weather, and GPS settings.
3.2 Monitoraggio delle attività
Your Charge 4 automatically tracks various activities throughout the day:
- Passaggi: Conta i tuoi passi giornalieri.
- Distanza: Estimates distance traveled based on steps and stride length.
- Calorie bruciate: Stima le calorie bruciate in base all'attività e ai dati personali.
- Minuti in zona attiva: Tracks time spent in fat burn, cardio, or peak heart rate zones.
3.3 Modalità di esercizio
To start a specific exercise:
- Swipe right from the clock face to access the apps.
- Tap 'Exercise'.
- Swipe to find your desired exercise (e.g., Run, Bike, Walk, Swim).
- Tap the exercise to start. For GPS-enabled activities, wait for the GPS icon to turn solid before starting.
Video: An official Fitbit video highlighting the health and activity tracking features of the Charge 4, including built-in GPS for pace and distance, new intensity maps, Active Zone Minutes, real-time exercise stats, Spotify control, swim-proof design, and all-day activity tracking.
3.4 Monitoraggio del sonno
Wear your Charge 4 to bed to automatically track your sleep. View il tuo sonnotages (light, deep, REM) and sleep score in the Fitbit app. The device also tracks your skin temperature variations and SpO2 levels during sleep.
3.5 Funzionalità intelligenti
- Notifiche: Receive call, text, and calendar alerts from your paired smartphone. Manage notification settings in the Fitbit app.
- Fitbit Pay: Set up your credit/debit cards in the Fitbit app to make contactless payments directly from your wrist.
- Spotify: Control music playback from your Charge 4 when connected to your phone and Spotify Premium account.
- Tempo atmosferico: Check current weather conditions and forecasts for your location.
- Allarmi e timer: Set silent alarms that vibrate on your wrist, and use timers for various activities.
- Relax: Follow guided breathing sessions to help reduce stress.
Video: An official Fitbit video demonstrating how the Charge 4 helps optimize fitness with its GPS and health tracking features, showcasing its capabilities for active users.
4. Manutenzione
4.1 Pulizia e cura
- Regularly clean your Charge 4 and its band to prevent skin irritation and maintain device functionality.
- Wipe the device and band with a soft, damp panno. Evitare prodotti chimici aggressivi o detergenti abrasivi.
- Ensure the device is dry before charging or wearing.
4.2 Sostituzione della fascia
The Fitbit Charge 4 bands are replaceable. If your band becomes worn or damaged, replacement bands can be purchased separately. Refer to the Fitbit website or authorized retailers for compatible band options and replacement instructions.
4.3 Resistenza all'acqua
The Charge 4 is water-resistant up to 50 meters. It is safe to wear in the shower, pool, or ocean. However, it is recommended to dry the device and band after exposure to water to ensure comfort and prevent skin irritation.
5. Risoluzione Dei Problemi
5.1 Problemi comuni e soluzioni
- Dispositivo non in carica: Ensure the charging cable is securely connected to both the Charge 4 and the USB power source. Verify that the metal pins on the charger align correctly with the contacts on the back of the device. Clean any debris from the charging contacts.
- Problemi di sincronizzazione: Check that Bluetooth is enabled on your smartphone and that the Fitbit app is open and running in the background. Ensure your smartphone meets the minimum operating system requirements (Mac OS X 12.2+, iPhone 5S+, iPad 5th gen+, Android 7.0+). Restart both your Charge 4 and your smartphone.
- Screen Not Responding/Blank: Try restarting your Charge 4. If the issue persists, ensure the device is charged. If the screen remains unresponsive after charging and restarting, contact Fitbit support.
- Tracciamento impreciso: Ensure your Charge 4 is worn snugly but comfortably on your wrist, typically one finger-width above your wrist bone. For GPS activities, ensure a clear view del cielo.
- Band Durability: Over time, the original band may show signs of wear. Replacement bands are available from Fitbit or third-party retailers.
6. Specifiche
| Caratteristica | Dettaglio |
|---|---|
| Dimensioni del prodotto | 9.72 x 1.13 x 0.49 pollici |
| Peso dell'articolo | 3.53 once (100 grammi) |
| Numero modello articolo | FB417BKBK-cr |
| Batterie | 1 C battery required (Lithium Ion) |
| Dimensioni di visualizzazione dello schermo in piedi | 4 pollici |
| Sistema operativo | Android (compatible with iOS and Mac OS X) |
| Caratteristica speciale | Heart Rate Monitor, GPS, Sleep Monitor, Activity Tracker |
| Capacità della batteria | 71 Amp Ore |
| Tecnologia di connettività | NFC, Bluetooth |
| Standard di comunicazione wireless | Bluetooth |
| GPS | True (Built-in) |
| Forma | Rettangolare |
| Marca | Adatto |
| Produttore | Adatto |
| Data prima disponibilità | 18 agosto 2020 |
7. Garanzia e supporto
7.1 Garanzia del prodotto
This Fitbit Charge 4 is a renewed product. Standard manufacturer warranties may not apply. Please refer to the specific warranty information provided by the seller (ReHaven) at the time of purchase. Typically, renewed products may come with a limited warranty from the seller or platform.
7.2 Politica di restituzione
For renewed products purchased through Amazon, a return policy of 30 days for refund or replacement is generally offered by the seller. Please check your specific order details for the exact return window and conditions.
7.3 Assistenza clienti
For product-specific issues, technical assistance, or questions regarding features, please visit the official Centro assistenza Fitbit. For issues related to your purchase, shipping, or seller-specific warranty for this renewed product, please contact the seller (ReHaven) directly through your Amazon order history.