Feature(may vary by option.)

●🎾【Enhanced Spin Control】Master the art of the topspin with this tennis topspin whistle. By producing a distinct sound only when the ball is hit with the correct topspin, it serves as an immediate auditory feedback mechanism, ensuring you can adjust and perfect your swing in real-time.
●🎾【Immediate Swing Feedback】This tennis hitting trainer master guarantees to improve your game by providing instant feedback on your swing technique. The louder the whistle, the more spin youve applied, allowing for rapid adjustments and enhanced ball control.
●🎾【Easy Installation, Effortless Learning】Designed for convenience, this tennis swing auxiliary equipment can be easily attached to any tennis racket, making it a straightforward yet effective method for players of all levels to enhance their topspin shots without complicated setups or equipment.
●🎾【Secure Higher Net Clearance】Elevate your game by ensuring higher net clearance and safer landing spots. This tennis topspin training aid emphasizes the importance of topspin in achieving more stable and consistent shots, marking a significant leap in your playing technique.
●🎾【Fun and Interactive Training】Transform your practice sessions with this topspin practice whistle. "No spin, no sound" - this simple yet powerful feedback mechanism makes learning more enjoyable and intuitive, quickly improving your stroke stability and overall performance.

[3PCS]

[1PCS]

[2PCS]

Description

Specification:

Origin: Mainland China

Main Body Material: ABS

Colour: Black

Package Size: Approximately 14.4 cm (5.67 in) x 11.2 cm (4.41 in) x 3 cm (1.18 in)

Gross Weight: About 35g

Note:

Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!

Please allow 1-2cm measuring deviation due to manual measurement.