Electronic whistle is a modern alternative to traditional whistles used by coaches, referees, and teachers in settings such as schools, training sessions, and emergency situations. This innovative device is designed to produce a loud and clear sound without the need for physical blowing, making it more hygienic and convenient. Electronic whistle offers the convenience of adjustable volume levels, with three different settings to choose from. Coaches and referees can easily toggle between low, medium, and high volume, whistle offers three distinct sound effects, Whether a prefers a traditional whistle sound, a beep sound, or a loud horn sound, this device can effortlessly switch between these . This feature allows coaches and referees to adapt to situations. this whistle boasts an impressively long battery life, ensuring it can endure extended periods of use without the need for frequent battery replacements. This makes it an excellent choice for coaches or referees who need a reliable and whistle for long tournaments or matches. Electric whistle is equipped with a lanyard for easy carrying and accessibility. Coaches and referees can wear it around their necks, ensuring that it is always within reach during games or practice sessions. This eliminates the hassle of searching for a misplaced whistle, allowing for quick and efficient signaling when needed. Electronic whistle with its lanyard offers a convenient solution for coaches, referees, and teachers alike. Its loud and clear sound ensures effective communication in sports activities, while also proving useful in emergency situations. With the electronic whistle, and enjoy the practicality of a device that provides a loud and attention-grabbing signal with just the press of color: blue material: plastic Package Contents: 1 x Electronic Whistle Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.