Moisture retention for shuttlecock feathers Keeps feathers hydrated to prevent dryness, enhances durability, and extends the usable life of shuttlecocks for longer, reliable play. Accurate humidity control with automatic stop The humidifier automatically stops after reaching ideal humidity levels in 8 seconds, ensuring precise hydration for each shuttlecock and preventing oversaturation or damage for consistent performance during use. Advanced nano moisture technology Utilizes nano technology to create an ultrafine mist that delivers deep hydration, effectively reaching every feather layer for thorough rehydration. Easy to use and portable Compact, lightweight design that fits neatly into gym bags and is easy to carry and operate, making shuttlecock rehydration convenient anytime, anywhere. Key specifications and compatibility Function: rehydrates shuttlecock feathers to maintain performance and extend life Portability: compact size suitable for gym bags and travel Performance: nano mist delivers deep, even hydration across feather layers Compatibility: designed for standard shuttlecocks used in badminton practice and play Use scenarios Pre and postpractice: rehydrate shuttlecocks to maintain consistent feel and flight characteristics during training sessions Travel and matches: keep shuttlecocks in condition between games on the road or at tournaments Coaching and clubs: quickly refresh multiple shuttlecocks between drills, ensuring uniform moisture across batches for reliable coaching outcomes