Garmin - Forerunner 255 GPS Smartwatch 46 mm Fiber-reinforced polymer - Slate Gray

CompatibilityCompatible with iPhone and Android devicesBattery lifeForerunner 255 provides up to 14 days of battery life in smartwatch mode and up to 30 hours in GPS mode for a full picture of your health — from sleep to trainingMorning reportMorning report summarizes your sleep HRV status and daily workout suggestion in one place as soon as you wake up (This device is intended to give an estimate of your activity and metrics)Race widgetGet ready for your next race with training tips personalized daily suggested workouts and completion time predictions based on course details weather and performanceSuggested workoutsView your entire week of daily suggested workouts which adapt after every run to match your performance and recoveryHRV StatusHRV status tracks your heart rate variability while you sleep giving you greater insight into your overall wellness recovery and training performance (This device is intended to give an estimate of your activity and metrics)Garmin coachGet free adapt