Package Content: 1*Dog Whistle
Convenient to Carry: Small dog whistle makes it more convenient to carry around; Blowing a whistle in the park for walking or training and preventing unnecessary barking and other reasons.
Adjust the whistle and choose the frequency that best suits your cute dog. Rotate the adjustment screw inside and out, adjust the frequency and blow the dog whistle to make the sound height. If your dog responds to it, it means your dog loves this frequency. (If there is no response, please adjust the correct frequency)