Specifically Designed for the Water. Connects with compatible Garmin chartplotters and other devices to provide autopilot control³, remote waypoint marking, data streaming, sail racing assistance and much more. Built-in FUSION-Link™ Lite app controls connected StereoActive™ products as well as other ANT®-enabled stereo models (RA70/BB100). Includes Elevate™ wrist-based heart rate¹, scratch-resistant sapphire lens, stainless steel bezel and 2 QuickFit™ bands (stainless steel and blue silicone). Wi-Fi® capability plus connected features² include smart notifications, automatic uploads to Garmin Connect™ online fitness community and personalization through free watch faces and apps from our Connect IQ™ store. Battery performance: up to 2 weeks in smartwatch mode (depending on settings), up to 24 hours in GPS mode and up to 60 hours in UltraTrac™ battery saver mode