1Pcs Pet Dog Cat Training Obedience Black Whistle Ultrasonic Supersonic Sound Pitch Quiet Trainning Whistles Pets Supplies

Features:

-This Dog Training Whistle is designed for dog training, the frequency produced isn't of effect on person, but very useful for dogs, it will sit up, come here, eat, sit down etc.
-Great for recall over long distances
-Key ring loop is included
-Please be aware of this fact they are not totally silent.

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Specification:
Material: Metal & Plastic
Length: 80mm