Description
Display
- Type: Retina LTPO OLED, 2000 nits (peak) brightness
- Protection: Sapphire crystal glass
- Always-On Display: Yes
- Resolution: 484 x 396 pixels (~326 ppi) for 45mm, 448 x 368 pixels (~326 ppi) for 41mm
Chipset
- Chip: S9 SiP with 64-bit dual-core processor and 4-core Neural Engine
Health and Sensors
- Blood Oxygen: Yes (SpO2)
- ECG App: Yes
- Heart Rate: Optical and electrical heart sensors
- Temperature Sensing: Yes, for sleep and cycle tracking
- Other Sensors: Always-on altimeter, high-g accelerometer, high dynamic range gyroscope, ambient light sensor, compass
- Sleep Tracking: Yes, includes retrospective ovulation estimates
Features
- Gestures: Double Tap gesture
- Siri: On-device processing for faster responses, and the ability to access and log Apple Health data
- Ultra Wideband: Ultra Wideband 2 (UWB) support for precision finding
- Water Resistance: 50m water resistant, IP6X certified dust resistant
- SIM: eSIM (GPS + Cellular models)
- Other: Built-in speaker, microphone, and Digital Crown with haptic feedback
Battery
- Battery Life: Up to 18 hours with normal use, up to 36 hours in low power mode
- Charging: Wireless charging
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