The Apple Watch Series 8 is a smartwatch that offers a range of features for timekeeping, fitness tracking, health monitoring, and smartphone-like capabilities.
Key Features

• Temperature sensor that can monitor body variations and provide better insights into women's cycles, sleep quality, and general wellness.
• A crash detection feature that can automatically call emergency services and notify your emergency contacts if it detects a car accident or a hard fall.
• Low-power mode that can extend the battery life up to 36 hours by reducing the display brightness and disabling some functions.
• thick front crystal over the display improves the durability and scratch resistance of the watch.
• S8 SiP with a 64-bit dual-core processor that delivers fast performance and smooth animations
• A blood oxygen sensor, an electrical heart sensor, and a third-generation optical heart sensor that can measure your blood oxygen level, take an ECG, and monitor your heart rate.
• GPS + Cellular option that lets you use the watch without your iPhone, as long as you have a compatible carrier plan.
• Always-On Retina LTPO OLED display that can adjust the refresh rate from 60Hz to as low as 1Hz, saving battery and allowing you to see the time and other information without raising your wrist.
• U1 chip that enables Ultra Wideband technology, which can improve the accuracy and security of location-based features like AirDrop, Find My, and CarKey.
• W3 wireless chip that supports Wi-Fi 802.11b/g/n 2.4GHz and 5GHz, Bluetooth 5.3, and LTE and UMTS connectivity
• 32GB storage capacity that can store your music, podcasts, photos, and apps
  
• A 100% recycled aluminum case.