Specification: Brand Garmin Model Forerunner 35 General Lens Materialglass Strap materialsilicone Physical size 35.5 x 40.7 x 13.3 mm Weight 37.3 g Water rating 5 ATMBattery typerechargeable lithium-ion Display typesunlight-visible, transflective memory-in-pixel (MIP) Display size 0.93 x 0.93 (23.5 x 23.4 mm) Display resolution 128 x 128 pixels Battery life Smart Mode: Up to 9 days GPS mode: Up to 13 hours Memory/history 7 activities Clock Features Time/date GPS Time Sync Automatic daylight saving time Alarm clock Stopwatch Sensors GPSGarmin Elevate wrist heart rate monitor Accelerometer Daily Smart Features Connectivity Smart notifications Calendar Weather Music controls Find my Phone feature Smartphone compatibility Compatible with Garmin Connect Mobile Activity Tracking Features Step counter Move bar (displays on device after a period of inactivity; walk for a couple of minutes to reset it) Auto goal (learns your activity level & assigns a daily step goal) Sleep monitoring (monitors total sleep & periods of movement or restful sleep) Calories burned Distance traveled Intensity minutes True Up Move IQTraining, Planning & Analysis Features GPS speed & distance Customizable data pages Auto Pause Auto Lap Manual lap Vibration alerts Audio prompts Activity history on watch Customizable activity profiles Live Track Heart Rate Features HR zones HR alerts HR calories HR strap compatible HR Broadcast (broadcasts HR data over ANT+ to paired devices) Running Features Preloaded run profiles GPS-based distance, time & pace Cadence (provides real-time