25+ built-in GPS and indoor sports apps ensure the Forerunner 165 can adapt to any training regime, perfect whether you're training for your first race or your 50th! It helps to plan your strategy with daily suggested workouts and syncs up with Garmin IQ Store Apps, so you can input your pre-planned routes or access routes from other members of the running community. The watch is compatible with a range of music apps, including Spotify, Amazon Music, and Deezer, enabling you to download and listen to your favourite songs completely phone-free._Advanced running metrics go into more detail than other smartwatches to provide the ultimate training assistance, while helpful features like Garmin Pay contactless payments and smartphone notifications means the watch can provide assistance in everyday life too._HealthWrist-based heart rateStress trackingSleep score and advanced sleep monitoringBody battery energy monitoringPulse oxFitness ageIntensity minutesWomen's health trackingTrainingMorning reportHRV statusBuilt-in sports appsRace widgetDaily suggested workoutsGarmin coachRunning powerRecovery timePacepro featureTraining statusTraining effectPerformance conditionRunning dynamicsPre-existing coursesTrack runningVisual race predictorCross-training_Connectivity and NavigationMusic apps and storage - Download music from Spotify, Amazon Music, YouTube Music, Deezer, and more to your watch for offline listeningBluetooth, ANT+Smartphone compatibility: iPhone, AndroidText response/reject phone call with text (Android only)GNSS supportSmart notificationsSafety and tracking featuresCalendarWeather forecastRealtime settings sync with Garmin Connect MobileSmart NotificationsControls smartphone musicPlay and Control watch musicGarmin Pay contactless paymentsConnect IQ - Downloadable watch faces, data fields, widgets and appsBattery saverFind My PhoneFind My WatchSmart trainer controlStocks_Technical specificationWater rated to 50 metres (5 ATM)Bezel: Fibre-reinforced polymerLens: Chemically strengthened glassScratch-resistant Corning Gorilla Glass 3 screen20mm Quick release watch bandBattery: 11 days in smartwatch mode, 19 hours in GPSDisplay size: 30.4 mm diameterWeight: 39gDisplay: 390 x 390 pixels AMOLEDPhysical size: 43mm x 43mm x 11.6mmMemory: 4gbIn the box: Forerunner 165 Music Running Watch, USB-C Charging/data cable, documentationColour: Mist Grey/Whitestone_