DEYUE 2024 Tennis Topspin Whistle Portable Tennis Hitting Trainer Compatible Beginners Coaches February8

Description:FunctionWhen completing the correct topspin stroke, it will make a soft whistle sound. It will enhance the correct technique while reinforcing good muscle memory.Tennis Ball Training ToolGreat way to improve your skills, reaction ability, hand-eye coordination.High Quality Made of high quality materials, lightweight and high performance, the tennis topspin whistle is durable and can be used for a long time.Multi-Function Tennis Topspin WhistleSuitable for beginners and young players, both men and women.Perfect GiftGreat gift for tennis lovers, coaches or anyone who wants to improve their hitting skills.Size Chart:11.2cmx14.4cm/4.41inchx5.67inchPackage Includes:1 PieceWhistleNote:Please allow slightly errors due to manual measurement and different monitors.