Stop Barking Dog Whistle With A Simple Natural Ultrasonic Copper Core

Our 3rd Party Tested and Safety Checked Dog Whistle with 49cm Lanyard and CoverWith adjustable frequency and frequency lock to stop barking and teach recall and tricksDog whistle to stop barking, teach recall and tricks: Yes, we have developed a better dog whistle to stop barking and help train your dog.More frequency means better results for any dog at any ageAdjustable Frequency + Frequency Lock: Yes, our dog whistle has more frequencies. Proprietary precision grinding produces a finer frequency range.Choose a better eco-friendly dog whistle: Yes, we care about quality and the environment.