Charlux 전자 호루라기 전기 호루라기 충전식 심판 코치 선생님용 반려동물 불기 없는 호루라기, 랜야드 포함, 야외 게임 스포츠용 3가지 톤 대용량 (블루)

["📢【Adjustable Volume】The electronic whistle features 4 distinct tones and 3 different tone colour, you can easily switch between tones with the press of a button. It provides a consistent and loud sound up to 125dB, ensuring your signals are heard clearly even in noisy environments. Perfect for coaching, refereeing, life guarding, and emergency situations.","👍【USB Rechargeable】Our electric whistle has a built-in 1200 mAh rechargeable lithium battery, and the whistle can sound continuously for 9 hours when fully charged. The rechargeable electronic whistle can be charged directly using USB, eliminating the need for frequent battery replacement, saving the cost of purchasing batteries.","👍【Reduce Burden】You don’t need to painfully blow a traditional whistle with your mouth any more. Just press the sound button then it will bring a loud and clear sound. which saves effort and prevents spatter of saliva between users.","👍【Easy to Use】 The electric whistle is easy to use. It has a comfortable ergonomic design with one-handed operation, and a detachable lanyard for convenience. It’s also small sized and easy to carry. It also has led lighting function,which can assist in lighting in dark environments.","💪【Premium Quality】Our mouth-free whistle is made of high quality ABS material, very sturdy and durable. It also has no any release of harmful substances. We also provide 2-year quality assurance, you can contact us to ask for a replacement or refund if there is any quality problem with our electronic whistle within 2 years."]