Features 1、 1. The whistle without touching the button: Compared with the traditional whistle, the whistle can avoid touching your mouth, not only can release your mouth, but also safer and cleaner. This is the best choice in any period. 2、 2. Three volume and three different tones: Our sports whistle has 3 adjustable volume levels and three different tones, which can provide up to 100-130 dB of sound power, you can choose according to your own sound needs. 3、 3. Electronic whistle: Our electronic whistle is powered by three AAA batteries, and its use time is longer than charging whistle or other types of electronic whistle, so there is no need to worry about running out of power suddenly and use it with confidence. 4、 4. Easy to carry: It can be hung around the neck or tied to a belt and backpack, but it can also be placed in a pocket. 5、 5. Application: The outdoor whistle is made of high-quality environmentally friendly ABS material, tasteless and healthy. The robust defense zone design makes the fitness whistle loud and consistent. This is a good gift for police referee coaches, suitable for camping, hiking, outdoor activities, traffic guides, pet training and sports events. 6、 7、 Specification: 8、 Product Name: Electronic Whistle 9、 Model: T9 10、 Color: red, yellow, green, blue, black 11、 Product size: 121*33mm 12、 Net weight: 100g 13、 Material: ABS 14、 15、 Package included: 16、 1 * Electronic whistle 17、 1 * Storage bag 18、 1 * Lanyard 19、 1 * user manual 20、 3 * AAA batteries Bullet Point: 1. The whistle without touching the button: Compared with the traditional whistle, the whistle can avoid touching your mouth, not only can release your mouth, but also safer and cleaner. This is the best choice in any period. 2. Three volume and three different tones: Our sports whistle has 3 adjustable volume levels and three different tones, which can provide up to 100-130 dB of sound power, you can choose according to your own sound needs. 3. Electronic whistle: Our electronic whistle is powered by three AAA batteries, and its use time is longer than charging whistle or other types of electronic whistle, so there is no need to worry about running out of power suddenly and use it with confidence. 4. Easy to carry: It can be hung around the neck or tied to a belt and backpack, but it can also be placed in a pocket. 5. Application: The outdoor whistle is made of high-quality environmentally friendly ABS material, tasteless and healthy. The robust defense zone design makes the fitness whistle loud and consistent. This is a good gift for police referee coaches, suitable for camping, hiking, outdoor activities, traffic guides, pet training and sports events. Specification: Product Name: Electronic Whistle Model: T9 Color: red, yellow, green, blue, black Product size: 121*33mm Net weight: 100g Material: ABS Package included: 1 * Electronic whistle 1 * Storage bag 1 * Lanyard 3 * AAA batteries 1 * Screwdriver Package List 1 * Electronic whistle 1 * Storage bag 1 * Lanyard? 3 * AAA batteries? 1 * Screwdriver