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    A RUNNING WATCH THAT WON’T WEIGH YOU DOWN
    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.

    DESIGNED FOR RUNNERS
    Run far with a smaller-sized lightweight watch that fits comfortably and won’t hold you back.

    LIGHT AND SPORTY MATERIALS
    The sweat-ready silicone band makes chafing a thing of the past.

    GARMIN COACH
    These adaptive training plans feature guidance from expert coaches and free training plans that adapt to you and your goals. Workouts sync right to your watch.

    BUILT-IN SPORTS APPS
    Switch up your workout routine with activity profiles for cycling, treadmill running, indoor track, elliptical, cardio, yoga and more.

    WRIST-BASED HEART RATE
    Get heart rate data along with alerts if your heart rate stays too high or too low while you’re at rest. Gauge how hard your heart is working during activities, even underwater.

    BUILT-IN GPS
    Track where you run, and get accurate stats, including distance, pace and intervals.

    BATTERY LIFE
    Run to your heart’s content with up to 7 days of battery life in smartwatch mode and up to 13 hours in GPS mode.

    STRESS TRACKING
    Find out if you’re having a calm, balanced or stressful day. Relax reminders will even prompt you to do a short breathing activity.

    BODY BATTERY ENERGY MONITOR
    Track your body’s energy levels so you can find the best times for activity and rest.

    FITNESS TRACKING
    While you’re out and about, Forerunner 45S tracks steps, intensity minutes and more.

    SMART NOTIFICATIONS
    Receive emails, texts and alerts right on your watch when paired with a compatible smartphone.

    SAFETY AND TRACKING FEATURES
    If you feel unsafe or if your watch senses that an incident occurred, assistance and incident detection features3 send your location to emergency contacts.

    MUSIC CONTROLS
    Easily control the music playing on your phone, so you can skip songs without missing a beat.

    SPECS:
    • LENS MATERIAL: chemically strengthened glass
    • STRAP MATERIAL: silicone
    • PHYSICAL SIZE: 39.5 x 39.5 x 11.4 mm
    • DISPLAY SIZE: 1.04" (26.3 mm) diameter
    • DISPLAY RESOLUTION: 208 x 208 pixels
    • DISPLAY TYPE: sunlight-visible, transflective memory-in-pixel (MIP)
    • WEIGHT: Small-32 g; Large-36 g
    • BATTERY LIFE: Smartwatch Mode: Up to 7 days
    • WATER RATING: 5 ATM
    • MEMORY/HISTORY: 200 hours of activity data

    IN THE BOX: Garmin Forerunner 45S GPS Running Watch White (39mm Case), Wearable4U Wall Charging Adapter