The very first thing to note in regards to the Callaway GPSync is that it were extremely gentle and contoured simply sufficient to suit comfortably in your wrist.The gap to the entrance, again, and middle of the inexperienced are displayed in the full view. The layup and carry the distances to hazards and doglegs are additionally straightforward to view.There are a few negatives on the Callaway GPSync. The battery life could be longer. The life we noticed, and it appears to be the consensus, was about 9 hours. Be sure you charge it after each spherical. This watch is available in a variety of brilliant colors and has four buttons on the round display, making it seem like a conventional digital watch.