Smartwatch Garmin Vivoactive 4 Black/Slate SEU, Smart notifications, Music storage and playback, Tracking, Body Battery energy monitoring, Pulse Ox sensor, Connect IQ support, Garmin Pay contactless, Fitness tracking, Display type: MIP, GPS + GLONASS + Galileo, Battery life: Up to 8 days (Smartwatch mode), Up to 6 hours (GPS + music mode), Water rating: SWIM, 5 ATM.