Apple Watch Series 9 41

Apple Watch Series 9 45mm or 41mm case size Aluminum or stainless steel Speaker Microphone Control : Digital Crown with haptic feedback Side button Double tap gesture On-Device Siri Display : Always-On Retina LTPO OLED display Edge-to-edge display Ion-X front glass (Aluminum cases) Sapphire front crystal (Stainless steel cases) Up to 2000 nits maximum brightness 1 nit minimum brightness Chip : S9 SiP with 64-bit dual-core processor 4-core Apple Neural Engine 64GB capacity Sensors : Electrical heart sensor and ECG app Footnote 3 Third-generation optical heart sensor High and low heart rate notifications Footnote 3 Irregular rhythm notifications Footnote 4 Sleep stages Temperature sensing Footnote 5 Compass with Waypoints and Backtrack Always-on altimeter High-g accelerometer Ambient light sensor Safety : Emergency SOS Footnote 7 International emergency calling Footnote 8 Crash Detection Footnote 7 Fall Detection Footnote 7 Splash, Water and Dust: Water resistance 50m (swim proof) Footnote 10 Dust resistance IP6X Footnote 18 Connectivity and Communication: L1 GPS, GNSS, Galileo, and BeiDou LTE and UMTS Footnote 12 Wi-Fi 4 (802.11n) Bluetooth 5.3 Second-generation Ultra Wideband chip Footnote 19 Apple Pay GymKit Power and Battery Life: Built-in rechargeable lithium-ion battery Up to 18 hours normal use Footnote 15 Up to 36 hours in Low Power Mode Footnote 15 USB-C magnetic fast charging 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% noncondensing Operating Altitude: 0 feet to 10,000 feet (0 m to 3000 m) Dimensions Height: 41mm Width: 35mm Depth: 10.7mm Weight (Aluminum, GPS): 31.9g Weight (Aluminum, GPS + Cellular): 32.1g Weight (Stainless Steel): 42.3g Height: 45mm Width: 38mm Depth: 10.7mm Weight (Aluminum, GPS): 38.7g Weight (Aluminum, GPS + Cellular): 39.0g Weight (Stainless Steel): 51.5g