SkyGolf Linx Black GPS Watch Kindly review the user guide below for details The Sky Caddie Linx is a fashionable multisport watch that comes preloaded with 35,000 golf courses worldwide Dynamic accurate green distances to front, center and back based on your approach angle to the green True ground layup targets from the tee box through the entire hole for better course management Bluetooth enabled with free Sky Golf mobile app to receive notifications text and call alerts directly to the Sky Caddie Linx