SkyGolf SW2 GPS Watch No annual fees required the sky Caddie SW2 is preloaded with 35,000 maps and ready to play Slimmer design extended battery life and Bluetooth Smart the SW2 gives golfers quick distances to the front center and back of each green Bluetooth Smart Technology allows you to sync scores to sky golf 360 and receive smartphone notifications of calls texts and emails Multisport Odometer tracks your location distance time laps speed and calories burned during your run Walk or bike ride,The sky Caddie SW2 golfs simplest most powerful way to measure yardage with no annual fees required SkyCaddie Mobile App Requirements:SkyCaddie Mobile GPS app on a smartphone with iOS 7 OR Android 4.4 or higher