- Adjustable difficulty modes: Normal and Difficult settings let players of all skill levels progressively improve their badminton swing. Suitable for both beginners and advanced players. - Sound feedback mechanism: Produces audible feedback to provide instant cues, helping refine swing and timing and allowing for real-time adjustments during practice. - Lightweight and portable: Weighs 93.5 g for easy handling and convenient transport to the gym, court, or while traveling for training sessions. - Durable construction: Made from high-quality PP and stainless steel for longevity and resilience during intensive practice. Use scenarios: - Solo practice at home or in the gym to build repeatable swing tempo and form using the adjustable modes. - On-court drills that leverage the instant sound cues to improve timing and accuracy. - Travel-ready training that you can carry in a bag for regular practice between games.