Apple Watch Series 9
45mm or 41mm aluminum case size
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)