Apple Watch Series 9 45mm

• 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 (Aluminium cases), Sapphire front crystal (Stainless steel cases), Up to 2,000 nits maximum brightness, 1 nit minimum brightness
• Chip: S9 SiP with 64-bit dual-core processor, 4-core Apple Neural Engine, 64GB capacity
• Sensors: Blood oxygen sensor and app,  Electrical heart sensor and ECG app, Third-generation optical heart sensor, High and low heart rate notifications, Irregular rhythm notifications, Sleep stages, Temperature sensing, Compass with Waypoints and Backtrack, Always-on altimeter, High-g accelerometer, Ambient light sensor,
• Safety:Emergency SOS, International emergency calling, Crash Detection, Fall Detection,
• Splash, Water and Dust:Water resistance 50m (swimproof), Dust Resistance IP6X
• Connectivity and Communication:  L1 GPS, GNSS, Galileo and BeiDou, LTE and UMTS, Wi-Fi 4 (802.11n), Bluetooth 5.3, Second-generation Ultra Wideband chip, GymKit
• Power and Battery Life: Built-in rechargeable lithium-ion battery, Up to 18 hours normal use,
      Up to 36 hours in Low Power Mode, USB-C magnetic fast-charging cable, Environmental
• Requirements:  Operational temperature: 0°C to 35°C (32°F to 95°F), Non-operational storage temperature: −20°C to 45°C (4°F to 113°F), Relative humidity: 5% to 90% non‑condensing
      Operating Altitude: 0 m to 3,000 m (0 feet to 10,000 feet)