Product Description

PACKAGE INCLUDES: - 3 * LS5525BK Whistles - 3 * Black Safety Lanyards - 3 * Mouth Grips - 3 * Storage Boxes

The Uniqueness of LS5525BK-III:

Dual Frequency: - Low Frequency: 3.70kHz - High Frequency: 4.15kHz The high and low frequency design simultaneously emits two frequencies of 3.70kHz and 4.15kHz.

Black Safety Lanyard: - Girth: 35.0 in - Width: 0.12 in When the pulling force exceeds 1.5 kilograms, the safety buckle will automatically disconnect.

Mouth Grip: - Size: Suitable for LS5525 The LS5525 is equipped with a mouth grip to protect your teeth.

Thick Material: - Material: Plastic - Thickness: 0.1 in Made with thickened plastic, which is sturdy and durable.

MANY USES: If you are a referee, coach, or teacher, LS5525 will be very suitable for you to use and will bring you a great experience.

HOW TO USE: Step 1: Grip the whistle with your teeth. Step 2: Block the whistle with your tongue. Step 3: Inhale through your nose. Step 4: Blow hard while retracting your tongue.

HOW TO MAKE A LOUD SOUND? 1. Blow hard 2. Block the whistle 3. Nose inhalation 4. Blow hard

IS THE WHISTLE LOUD? The whistle sound is loud and crisp, easily up to 130+dB.

WHAT IS THE QUALITY OF THE WHISTLE? The whistle is made with thickened plastic, which is sturdy and durable.

DOES THE WHISTLE HAVE A LANYARD? The accessories are complete, including the whistle with lanyard3, and mouth grip3. The lanyard is made of skin-friendly material, which is soft and comfortable to wear.

PACKAGE: 3 PCS plastic whistles with lanyards. LOUD SOUND: LS5525 Whistle with a pealess design, the sound is loud and clear. Easily up to 130+dB. FREE YOUR HANDS: Each whistle comes with a black lanyard, you can hang it easily around your neck, or on a wall mount, helping you free your hands. PREMIUM QUALITY: Made with thick plastic, more durable than other plastic whistles. WIDE APPLICATION: LS5525 whistles are great for referees, coaches, trainers, teachers, and more.

product information: