• Tracks heart rate, sleep, blood oxygen, and activity levels. • Aluminum case with scratch-resistant Ion-X glass display. • Water-resistant to 50 meters, suitable for swimming. • Stores music and podcasts for phone-free listening. • Compatible with iPhone for notifications and calls. • Up to 18 hours of battery life on a single charge. • Features include fall detection and emergency SOS. • Supports Apple Pay for contactless payments.