Dog trainer
https://www.flllly.com/

By emitting different sound channels to interfere with the pet's hearing, so as to achieve the effect of driving away and deterring. Equipped with couriers, gardens, police and other specific groups.
By transmitting different sound wave channels to interfere with the pet's hearing, so as to achieve the effect of driving away and deterring. Equipped with couriers, gardens, police and other specific groups.