Featuring a large, sharp display, the Macro GPS is packed with many advanced technologies in an easy-to-use and affordable package. The Bluetooth enabled devimace can pair through our free Lezyne Ally V2 app to iOS and Android handhelds, in addition to Bluetooth compatible power meters, heart rate monitors and speed/cadence sensors. When connected to a handheld, the Macro GPS provides turn-by-turn navigation, live tracking and Strava Live Segments. Furthermore, the unit has pop-up phone call and message notifications. An optimized GPS recording system tracks all important cycling data, and a customizable screen with up to five pages lets the user see all the info they want to see. And a battery that last up to 22 hours provides plenty of juice for all-day epics.