●✅VALUE PACKAGE:1 Green Hollowe Golf Training Ball + 1 Adjustable Wrist Strap to satisfy all your needs. Fits different hand types and helps improve your swing technique. ●Fantastic training aid. With the golf smartball, you can tie it to your hand, you can use it for say 5 swings and then use it without it. It has made you use your hands more effectively in the last 1/3 of the downturn. ●Remarkable effect: With just a few exercises, you strengthen arm muscle memory and your body automatically reacts with the right swing positions on the golf course. ●✅Training advantage: with the golf trainer ball, you improve swing accuracy through fast feedback and guidance, solve errors during the swing process to achieve a stable and smooth swing, just like working with a personal teacher. ●Ideal gift: Help your loved ones improve their golf game with this intelligent training ball. Perfect for beginners and professionals. Make any occasion special with this thoughtful and practical gift.