Apple - Apple Watch 8 size 45, multiple colors (without SIM card)

Provides temperature sensor estimates for ovulation period based on previously recorded data and advanced menstrual tracking features. Measure blood oxygen level thanks to a powerful sensor and app. Get heart rate charts anywhere and anytime. Receive notifications of high and low heart rate and arrhythmia. Advanced safety features, including fall detection, SOS emergency, and collision detection. Enhanced workout app with more advanced metrics and methods. A completely new compass app with waypoints and backtrack. Track your daily activity on Apple Watch and view performance levels in the fitness app on iPhone. The front crystal face is the most scratch-resistant in Apple Watch so far, along with a dust-resistant design rated XIP and water resistance during swimming, and greater durability for fitness and activity. Make calls, send text messages, and emails with a few taps. Listen to your favorite music, podcasts, and audiobooks (for use with GPS models). Pay instantly and securely from your wrist with Apple Pay. Large always-on display covering the face with a camera. All-day battery life and fast charging. Sleep stage tracking feature lets you know how much time you spent in REM sleep, core sleep, or deep sleep. The watchOS 9 system features the enhanced workout app, new medication app, sleep stages, and more health information about the heart.