Screen and Design: Actua Display: 10% brighter and 60Hz faster response than the previous version. Size: Available in two sizes: 41mm, and a larger 45mm size for a 40% larger display. Bezels: 16% slimmer than Pixel Watch 2. Fitness and Health (Fitbit): Running Analysis: Provides accurate metrics like stride length, vertical oscillation, and ground contact time. Recovery Metrics: Offers a "Morning Report" that combines sleep data, heart rate, and heart rate variability to assess your daily readiness. Loss of Pulse Detection: A new safety feature that detects cardiac arrest and calls emergency services if the user doesn't respond. Accurate Tracking: Measures heart rate, blood oxygen (SpO2), and ECG. Battery and Performance: Battery Life: Lasts 24 hours with Always-On Display (AOD) enabled. Power Saving Mode: Up to 36 hours. Faster Charging: The 41mm model charges 20% faster, reaching 50% in about 30 minutes. System and Integration (Google Ecosystem): Operating System: Comes with Wear OS 5. Smart Control: Allows control of Google Nest devices (doorbell view) and Google TV control. Camera: Pairs with a Pixel phone camera for remote preview and photo capture. Storage and RAM: 32GB internal storage and 2GB RAM. Connectivity: Available in Wi-Fi and 4G LTE (eSIM) versions. Used for one month. Comes with the 3 original straps it was purchased with, and 2 additional straps bought for it.