Referee Whistles Two-Tone Whistles With High Volume Outdoor Survival Must-Have Whistle For Training Hall Football Field The Finger Grip Whistle is a must-have for referees and trainers. With its high volume and convenient grip design, it improves scoring efficiency and effectively organizes matches. Say goodbye to traditional whistles and smoothly execute game control with this innovative tool. Specifications: Product name: Referee fingergrip whistles Color: black, red Material: ABS Attributes: fingergrip whistle Net weight: about 27g Weight with package: about 27g Product size: about 16*9*2cm/6.3*3.54*0.79 inches Package size: about 16*9*2cm/6.3*3.54*0.79 inches Packing List: 1pc*Referee fingergrip whistle Note: The size and weight are hand-measured and have a slight deviation from the actual. See more product details 1.Versatile and Convenient: Our finger grip whistle is the ideal game changer for trainers and referees. With its multifunctional changeover capability, it seamlessly transitions between scoring and timekeeping modes, enhancing the sports experience. 2.Clear and Precise Guidance: This finger grip whistle produces a high volume two-tone sound that can be clearly heard in noisy environments. It ensures clear and precise instructions and signals for referees, trainers, and trainers. 3.Handy Whistle Solution: This finger grip whistle produces a high-pitched sound that can be heard over long distances and in noisy environments. It is perfect for signaling, directing, or alerting others in sports, outdoor activities, or emergencies. 4.Effortless Trainning: The Finger Grip Whistle streamlines game management by allowing for easy setup and adjustments, resulting in clear and loud sports whistle sounds. Maximize your trainning efficiency and control effortlessly. 5.Effortless Process Management: Our finger grip whistle enables trainers to manage races seamlessly, guaranteeing fair competition and a smoothly organized race process. _x000D_ _x000D_