Fitbit Sense 2 smartwatch digital touchscreen Black

The Fitbit Sense 2 Digital Touchscreen Black is a smartwatch designed to monitor health and support daily wellbeing. It features a digital touchscreen, onboard GPS, aluminium case and a waterproof rating suitable for swimming up to 50 m. The device tracks stress response, sleep stages, heart activity and workout metrics while running on Fitbit OS. The black band is available in S/L sizes and the watch weighs 200 g.

Advantages

All-day body response tracking detects patterns of physiological stress and delivers smart notifications to prompt emotional reflection. Detailed sleep analysis and a Sleep Score provide nightly insights and a monthly Sleep Profile that highlights improvement opportunities across 10 sleep metrics. The ECG app and continuous heart-rate monitoring enable on-demand atrial fibrillation assessment, irregular rhythm alerts and heart-rate based insights across activity, sleep and stress. Daily Readiness Score combines recent activity, sleep and heart rate variability to help decide whether to train or recover. Built-in Google Maps turn-by-turn directions and Google Wallet support make navigation and contactless payments possible from the wrist.

Suitable for

• Everyday health monitoring and stress management
• Sleep tracking and monthly sleep analysis
• Heart monitoring including ECG and rhythm notifications
• Fitness tracking, workout guidance and recovery decisions
• Navigation and contactless payments via Google Maps and Google Wallet

Key specifications

• Model: Fitbit Sense 2 Digital Touchscreen Black (MPN: FB521BKGB, EAN: 810038858364)
• Display: digital touchscreen
• Operating system: Fitbit OS
• Connectivity: Bluetooth (no Wi‑Fi, no mobile network)
• Case material and colour: aluminium, black
• Band colour: black; sizes S/L
• Water resistance: up to 50 m (suitable for swimming)
• Weight: 0.2 kg
• Health features: all-day body response tracking, ECG app, heart rate tracking, Sleep Score, Sleep Profile, Daily Readiness Score
• Additional: GPS, Google Maps navigation, Google Wallet payment support

How to use

Wear the Fitbit Sense 2 on your wrist with the band size that fits comfortably. Use the digital touchscreen to navigate apps, start workouts and access guided breathing or meditation sessions. Enable body response and heart-rate tracking in the settings to collect continuous data; open the ECG app when you need an on-demand atrial fibrillation assessment. Check the Fitbit app on your phone for detailed Sleep Profile reports, Sleep Score breakdowns and Daily Readiness recommendations. Pair the watch with your Google account to enable Google Maps directions and Google Wallet payments.

Recommendations

For reliable measurements, wear the watch snugly during periods of activity and sleep, keep firmware and the Fitbit app updated, and enable relevant notifications and permissions on your paired smartphone. Use guided breathing, meditations and tailored workouts when stress or Daily Readiness results suggest recovery is preferable to high-intensity training.