Feature

●The Whistle original mouthguard boasts a prolonged service life thanks to its ABS resin strengthened whistle mouth, which is both stable and chewy.
●This versatile product is suitable for a wide range of scenarios, including basketball, football, volleyball games, traffic guidance, military training, and more.
●With its high frequency boom, the Whistle original mouthguard is both lightweight and portable. The treble frequency is set to 4000Hz, which is optimal for human ears that are more sensitive to audio in the 1000-4000Hz range.
●The adjustable nylon hanger is designed for convenience and security. It easily passes through the tail hole and features a double ball fixed hanger length to prevent loss or falling.
●The Whistle original mouthguard 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 professional volleyball referee whistle ensures that the sound can be transmitted to both sides.


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