Yosoo Dog Training Whistle, 3pcs Dog Training Whistle + Pet Training Clicker + Free Lanyard

Specification:
Features: training whistle to teach commands such as come, sit down, stay, stop barking, and more.
Made of prime quality copper material, and to make use of.
Comes with lanyard, easy to carry anywhere and anytime.
sound to meet different training requirement, easy to make use of.
Suitable for all dogs breeds.
Specification:
Material: Nylon + Copper + PC
Color: As picture
Size:
Whistle: Approx. 8*0.7cm / 3.1*0.3 inch
Lanyard: Approx. 49*1.6cm / 19.3*0.6 inch
Training clicker: Approx. 6.5*3.3*2cm /2.6*1.3*0.8 inch
Package list:
1 * Dog training whistle
1 * Lanyard
1 * Training clicker

SOUND SIZE ADJUSTMENT: You’ll adjust the volume of the flute internal space size
CARD NUT: Adjust the volume level position, use it to prevent the card from loosening
CHROME-PLATED METAL: Made of stainless steel for durability and rust
PLASTIC SLEEVE: Let it be wealthy in color, in order that it may not hold cold and feel comfortable
THE PRINCIPLE OF THE DOG FLUTE:The dog flute transmits sound through the main of high-frequency sound. Our dog can receive 120 kHz sound waves, and the human top can hear 20 kHz. Subsequently, the sound of the dog flute we don’t seem to be easy to detect, but the dog is very sensitive