Apple Watch S9 2023 41 MM Midnight Aluminum Case - Midnight Sport Band - MR8W3LL/A

The Apple Watch Series 9 (S9) for 2023 has a variety of features and specifications, available in different case sizes and materials. Here's an overview of its key features:

Case Size and Material:

• Available in 45mm or 41mm.
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Display:

• Always-On Retina display.
• Up to 2000 nits maximum brightness.
• The display is an LTPO OLED with an edge-to-edge design.
• Aluminum cases feature Ion-X front glass, while stainless steel cases have a Sapphire front crystal.

Processor:

• Powered by the S9 SiP (System in Package) with a 64-bit dual-core processor.
• Equipped with a 4-core Apple Neural Engine.
• Comes with 64GB storage capacity.

Sensors:

• Blood Oxygen sensor and app.
• Electrical heart sensor with an ECG (Electrocardiogram) app.
• Third-generation optical heart sensor.
• Provides high and low heart rate notifications.
• Offers irregular rhythm notifications.
• Measures sleep stages.
• Includes temperature sensing.
• Features a compass with Waypoints and Backtrack.
• Always-on altimeter.
• Equipped with a high-G accelerometer.
• High dynamic range gyroscope.
• Ambient light sensor.

Safety and Health:

• Supports Emergency SOS and international emergency calling.
• Offers Crash Detection and Fall Detection.
• Blood Oxygen app.
• ECG app.
• High and low heart rate notifications.
• Irregular rhythm notifications.
• Temperature sensing.
• Cycle Tracking with retrospective ovulation estimates.

Water and Dust Resistance:

• Water-resistant up to 50 meters (swimproof).
• Dust resistance with IP6X rating.

Connectivity and Communication:

• GPS (L1), GNSS, Galileo, and BeiDou.
• Available LTE and UMTS cellular connectivity.
• Wi-Fi 4 (802.11n) support.
• Bluetooth 5.3.
• Second-generation Ultra Wideband chip.
• Compatible with Apple Pay and GymKit.

Power and Battery Life:

• Built-in rechargeable lithium-ion battery.
• Up to 18 hours of normal use.
• Up to 36 hours in Low Power Mode.
• Fast charging via a USB-C magnetic cable.

Environmental Requirements:

• Operational temperature: 32°F to 95°F (0°C to 35°C).
• Nonoperational storage temperature: 4°F to 113°F (-20° to 45°C).
• Relative humidity: 5% to 90% non-condensing.
• Operating altitude: 0 feet to 10,000 feet (0 m to 3000 m).

Dimensions and Weight:

For the 41mm model:

• Height: 41mm
• Width: 35mm
• Depth: 10.7mm
• Weight (Aluminum, GPS): 31.9g
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For the 45mm model:

• Height: 45mm
• Width: 38mm
• Depth: 10.7mm
• Weight (Aluminum, GPS): 38.7g