Do you have a dog? Dog Whistle can train your dog! Whistle when the dog does something bad. Teach your dog new tricks, no barking and better behavior!
You can also use it as anti dog repellent whistle.
Choose your own whistle frequency to train your dog.
APP GENERATE ON THE FLY frequency: from 9.000Hz to 20.000Hz.
Just download for free Dog Whistle and enjoy!
If you want more function send me email: email@example.com