Vibration alerts helpful vibration alerts notify you of running prompts, activity 
tracking milestones, smart notifications and virtual pacing progress
Display size 0.93 x 0.93-inch (23.5 x 23.4 millimetre) sunlight visible, translative 
memory in pixel (MIP), water rating 5 ATM, Smartwatch Mode up to 9 days, GPS mode up 
to 13 hours
Built in GPS built in to acquire satellites quickly to track how far, how fast and 
where you run, even under tree cover. No phone required
24/7 heart rate monitoring warm gives you heart rate all day and night no additional 
Strap required. Display resolution 128 x 128 pixels. Lens material: Chemically 
strengthened glass
Updated display perfect for indoor/outdoor viewing, smart connectivity auto uploads, 
smart notifications, live track, music controls and automatic software updates