Ujjdwiurgh Electronic Whistle with USB Charging,for Referee Coaches Teacher,Outdoor Sport Game Camping Whistle with Lanyard Red

[Hand Whistle & No Touch Mouth Whistle] Compared with traditional whistle,Electronic whistle can avoid mouth contact. Just the sound button then it bring a loud and clear sound. which saves effort and prevents spatter of saliva between users. Whistle with lanyard perfect for referee coaches, P.E. teacher, marine, outdoor camping, sports competitions, traffic guides, pet training, self Emergency. It has led lighting function, which can assist in lighting in dark environments. Easy to use. It has a comfortable ergonomic design with one-handed operation, and a detachable lanyard for convenience. [Easy to Carry] equipped with a long lanyard, it can easily loop through backpack, sailboats, camping hiking gear, life jacket, kayak. You can also tie the whistle to your neck, shoulder straps, belt and backpack or put it on the pocket for quick and easy use in case of emergency.