Fox 40 Electronic WhistleThe Fox 40 Electronic Whistle utilizes a hand push button, which offers a hygienic solution for multiple operators. Without having to put your mouth on this whistle, it makes it far easier to disinfectant the whistle between users. Instead of being mouth operated, this whistle is hand operated by pushing the button. Max Performance Sports is a proud authorized dealer of Fox 40! We carry a full range of whistles, coaching boards, and accessories in our