Description: 【Sound Emitting Mechanism】: This badminton training device is equipped with a sound emitting mechanism that provides real time auditory feedback, enhancing your rhythm and power control during practice 【Quality Material】: Crafted with meticulous attention to detail, this badminton swing trainer is made from sturdy PP stainless steel material, ensuring long time use 【Size】: With dimensions of 30 cmx3.3 cm/11.81 inchx1.30 inch, this training device closely resembles the handle of a real badminton racket, providing an authentic experience during practice 【Realistic Feel】: Designed to mimic the feel of a real game situation, this training device helps you improve your skills in a realistic setting. 【Application】: Great for badminton preheating, stretching.Convenient for indoor or outdoor sports, such as corridors, balconies, parks, gardens, offices, etc Specification: Material: Stainless Steel, PP   Size Chart: Length: 30cm/11.81inch; Width 3.3cm/1.30inch Package Includes: 1 Badminton Swing Training Aid Note: Please allow slightly errors 1-2cm/0.39inch-0.79inch differences due to manual measurement.