Feature

●The whistle mouth is made of ABS resin, a durable and eco-friendly material that can withstand both hot and cold temperatures. It is also stable and chew-resistant, ensuring a longer lifespan.
●This whistle is versatile and can be used in a variety of settings, including sports games like basketball, football, and volleyball, as well as for traffic guidance and military training.
●The adjustable nylon hanger is designed to easily fit through the tail hole and can be fixed at the desired length with double balls, preventing loss or falling.
●The whistle produces a high frequency boom that is both lightweight and portable. The treble frequency is set to 4000Hz, which is optimal for human ears sensitivity to audio between 1000-4000Hz.
●The whistle features two independent sound holes, making it ideal for use in volleyball matches where the referee is located in the middle of the court. The sound can be transmitted to both sides, ensuring fair play.


Description

Specification:

Item Type: Referee Whistle
Material: ABS Resin
Frequency: 0-4000Hz
Weight: Approx.30g/1.1oz
Product Size: Approx. 49x20x13mm/1.9x0.8x0.5in

Package List:

1 x Whistle

1 x Lanyard

2 x Mouthguard