Apple Watch Series 9 [GPS 45mm] Smartwatch, Case with Starlight Sport Band M/L - Starlight

• 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

• 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

• 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

• 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

• 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)

• Water resistance 50m (swim proof) ^Footnote 10
• Dust resistance IP6X ^Footnote 18

• Digital Crown with haptic feedback
• Side button
• Double tap gesture
• On-Device Siri

Dimensions

• Height: 45mm
• Width: 38mm
• Depth: 10.7mm
• Weight (Aluminum, GPS): 38.7g
• Weight (Aluminum, GPS + Cellular): 39.0g
• Weight (Stainless Steel): 51.5g