• High-purity brass casting: anti-corrosion, anti-oxidation, not easy to rust and deform after long-term use, and the service life is far more than that of plastic/aluminum alloy whistles.
• 120 dB ultra-clear sonic boom, strong penetration: professional sound cavity design, sharp and clear high-frequency timbre, easily penetrate noisy environments (such as stadiums, outdoors, emergency rescue scenes).
• Ergonomic design, comfortable and labor-saving for blowing The non-slip threaded mouthpiece fits the lip shape and is not easy to slip, so it will not get tired after long-term use. Lightweight structure (about 27 grams), with detachable lanyard/key ring, portable and easy to carry, outdoor sports, portable emergency worry-free.
• Multi-scenario versatility to meet professional and daily needs Recommended by professional users: the preferred equipment for referees, coaches, lifeguards, and military fans to improve the efficiency of instruction transmission. Practical scenarios for families: outdoor hiking self-defense, pet training, child safety posts.
• Beautifully gift-wrapped, it's perfect as a souvenir for a sporting event, a prize for a team event, or a souvenir for outdoor enthusiasts.