Dog Whistle Adjustable Ultrasonic Training Whistle Emergency Power Port: The Type-C

Emergency Power Port: The Type-C port can be used as a backup power port

and the structure follows the scientific principle and is strong enough to hold 88 lbs dog

They are specifically designed to resist melting

and some other small items

Perfect for busy restaurants

Dog Whistle Adjustable Ultrasonic Training Whistle Emergency Power Port: The Type-CFeatures: 1. Adjustable Frequency for Customized Training: This dog whistle features an adjustable frequency, allowing you to find the tone for your dog's response. With a simple twist of the nut and screw, tailor the whistle to suit your dog's unique hearing range. 2. Quiet Yet Effective Sound: While the puppy whistle's sound is quiet and often inaudible to humans, dogs can hear it clearly. This ensures effective communication without disturbing