Android version Putt Analyzer. 3BaysGSA PUTT is the world"s lightest putting analyzer, which is smartly designed to plug into putter grip. It can analyze key aspects of your putting stroke more closely than ever. Delicate 9-axis sensors and intelligent algorithm are deployed to detect and capture even the subtlest movements of the putter and it brings you instant analysis on mobile devices via Bluetooth connection. It is a game-changing device that helps golfers develop consistent, repeatable and reliable putting strokes. leather carrying case, USB charger & Quick Start Guide.