Set of 2 dog whistles for recall and training, adjustable whistles with cord, silent ultrasonic whistles for dog training and learning tricks (black)

Adjustable Whistle: Different dogs respond to different frequencies. Our dog training whistle has a screw and nut for frequency adjustment. Observe your dog's reaction at each setting until you find the strongest response. Effective Training: Your dog can hear the whistle even from a great distance, even if they can't see you. Train your dog with various commands such as "sit," "paw," "down," etc. Stop Barking: When your dog or a neighbor's dog barks, give a soft whistle. The ultrasonic frequency will attract the dog's attention and stop the barking. With Lanyard: Each dog whistle comes with a long lanyard, so you can easily take it anywhere. The included plastic case is for storage. Suitable for All Dogs: This dog whistle is inaudible to humans and suitable for all breeds. This handy whistle allows you to communicate with your dog anytime. Every dog owner should have this item.