Samsung Galaxy Watch 8, 40mm Silver

Design & Display

• Size & Weight: 40 mm Silver case, lightweight and comfortable for daily wear.
• Build: Armor Aluminum body with durable sapphire crystal glass.
• Display: 1.2–1.34 inch Super AMOLED screen with vibrant colors.
• Durability: 5 ATM water resistance + MIL‑STD‑810H shock and dust protection.
• Bands: Interchangeable straps with integrated lugs for a secure fit.

2. Performance & Software

• Processor: Exynos W100 chip optimized for Wear OS.
• Memory & Storage: 2 GB RAM with 32 GB internal storage.
• Operating System: Wear OS powered by Samsung with One UI Watch interface.

3. Connectivity & Sensors

• Connectivity: Bluetooth, Wi‑Fi, GPS, NFC; LTE optional.
• Sensors: Heart rate, ECG, accelerometer, gyroscope, barometer, SpO₂, temperature, bioelectrical impedance (BIA).

4. Health & Fitness Features

• Heart Health: Continuous heart rate monitoring, ECG, and irregular heart rhythm alerts.
• Body Metrics: Body composition analysis, sleep tracking, stress monitoring.
• Workout Tracking: 100+ exercise modes, VO₂ max, running coach with heart‑rate zones.
• Wellness Tools: Sleep coaching, activity reminders, and hydration tracking.

5. Battery & Charging

• Battery Capacity: Approximately 325 mAh for the 40 mm model.
• Usage: Up to 40 hours typical use; supports fast wireless charging.

Compatibility & Ecosystem

• Device Support: Android 12+ for full functionality; limited iOS support.
• Ecosystem: Works with Samsung Health, SmartThings, and other Samsung apps.

Colors & Options

• Color: Silver (40 mm model).
• Sizes: 40 mm and 44 mm; this description focuses on 40 mm Silver.