In the past few years, we have covered plenty of smart golf trainers and apps here. Graff Golf is also worth a look. It is a smart golf ball that gives you more insight into your game. It combines with your iOS & Android device to help you track distance, velocity, spin rate, launch angle, and a whole lot more.
The companion app automatically learns about your game as you play. The ball has a Bluetooth technology inside that provides location tracking up to 300 feet. The Graff Golf ships with smart golf balls, a Bluetooth wireless charging station, and course data from 36,000 courses worldwide.[where to find it]