Description
- Sound and rapid spread source material environmental protection to increase your sense of use
- 1. Nuclear-free high-frequency dolphin competition referee whistle, professional, environmentally friendly, non-nuclear, high decibel. High penetration. high frequency
- 2. Nucleus-free dolphin whistle, sound is crisp and loud, strong penetrating power, multiple occasions, multi-application, whistle applied to football, basketball and other ball games, competition outdoor activities and school military training physical education classes can be used
- 3 Dolphin design non-nuclear high decibel design according to the dolphin biological principle, making the whistle more crisp and loud can achieve high decibel penetration, unlike traditional balls, reducing hazards, improving use and health performance
- 4. Environmentally friendly material, non-toxic and tasteless, ABS resin is the five major synthetic resins, its impact resistance, heat resistance, low temperature, non-toxic and tasteless, available to children
Strong penetrating power, it allows you to easily penetrate the arenaColor: black, red, blueVolume: 6.2*2.7cm, origin: Made in ChinaMaterial: plastic, weighs about 20 gramsType: ABS hard plastic, environmentally friendly materialDesign concept: non-nuclear design, strong penetrating power, dolphin whistleApplicable places: work fine color transparent, environmentally friendly non-toxic materials, ring protection teeth use worry-freeFeatures: sound, sound, material enhanced whistle, beautiful appearance, large volume, high decibel, strong blowing power, strong penetrating power, compact design, beautiful appearance, no spherical dolphin shape, functional use, professional referee basic whistleEquipped with a lanyard for easy portability and ease of use