TECHNOLOGY:Lightweight, comfortable design makes the Forerunner® 55 perfect for everyday lifeUp to 2 weeks of battery life in Smartwatch mode and 20 hours in GPS modeNavigate the outdoors with multiple global navigation satellite systems (GPS, GLONASS, and Galileo)Features a high-definition, sunlight-readable 1.04” diameter displayWaterproof resistant to 50 metersSmartphone connectivity allows you to see phone notifications and messages, play and store music with premium streaming service supportUSES:Includes sensors for enhanced wrist heart rate and sleep monitoringGPS functionality allows you to track your steps, pace, distance, and intervals with easeTrack your body’s response to stress levels and daily activity all from your wristTrack steps, intensity minutes, calories burned, and more with easeGain a better understanding of your health and wellness with real time data and statisticsUse preloaded activity profiles for cycling, treadmill running, indoor track, elliptical, cardio, yoga and moreFeatures easy-to-follow, animated cardio, strength, and yoga workouts on the watch screenReceive recovery time updates following workouts to let you know when your body is ready for another hard workoutSPECIAL FEATURES:Body Battery™ Energy Monitor feature allows you to track your body’s energy levels helping you find ideal times for activity and restGarmin Coach free adaptive training plans offer guidance from expert coaches and adapt to you and your goalsPacePro™ feature offers grade-adjusted pace guidance throughout your activityTrack your runs with accurate lap distances and receive estimated finish times for selected routesReceive daily training guidance and run recommendations based on your training history, fitness level, and recovery timeBetter your running form with real-time updates and notifications when you’ve gone outside your target cadence rangeFitness Age feature uses chronological age, resting heart rate, and other factors to estimate if your body is younger or older than you areUse the Garmin Connect™ app to access Women’s Health Tracking features such as menstrual cycle or pregnancy trackersAccess to Connect IQ™ store let you download custom watch faces, add data fields, and get additional apps and widgetsSafety and Tracking features let you send your location to emergency contacts if an incident occursUse the Garmin Connect™ app to interact with a large online community where users can connect and compete