Designed to be sleek, and lightweight Up to 7 days of battery life in smartwatch mode Up to 13 hours of battery life in GPS mode Monitors heart rate at the wrist Built-in incident detection and assistance for emergency Easily control the music playing on your phone Receive emails, texts, and alerts right on your watch Built-in GPS tracks where you run, and get accurate stats Forerunner 45S is the smaller-sized GPS running watch with all the running-related features you need in a sleek, lightweight smartwatch you’ll want to wear all day and night.
