Basketball Volleyball Sports Whistle High Frequency Portable Professional Soccer Referee with Lanyard for Outdoors Camping
- ABS resin material and high polymer material combination, non‑toxic and tasteless, health and environmental protection.
- Double air chamber design, easy to blow, double air chamber professional referee coach whistle, large volume, strong sound penetration.
- Whistle mouthpiece, prolong the service life. Durable metal ring buckle, detachable design, convenient and durable.
- Adjustable nylon hanger, hanger easily through the tail hole, double ball fixed hanger length, not afraid of losing, not afraid of falling.
- Non‑core high frequency, clear and loud, no‑core whistle design, whistle permeability is strong, high frequency and high decibel can be achieved.
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