GAME GOLF LIVE Digital Shot Tracking System (New Version) Bundle with PlayBetter Portable Smartphone Charger Each purchase includes Game Golf LIVE Digital Tracking System & PlayBetter Lipstick-Sized Portable External Battery Charger Pairs with app to show the distance to the pin, map of your shots and swing data while you play a round of golf. Includes 18 ultra lightweight sensors for each club, sensors have zero swing impact Compatible with both iOS and Android devices Saves every shot and features virtual coaching to help improve your game