FREE: Pet Training Adjustable Whistle UltraSonic Sound with Keychain for Dog S3

The listing, Pet Training Adjustable Whistle UltraSonic Sound with Keychain for Dog S3 has ended.

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Description
Silver, high quality copper material, small exquisite
Unique sound and frequency, very suitable for liontamer dog, cooeeing, eagle animal
Item Name: Silver Ultrasonic Dog Whistle
Material: High-quality copper
Processing: Nickel Plating
Size: length 5.3cm, Width 0.8cm
Function: Training dogs
Some tips to use the dog whistle:
Adjust the pitch & blow the whistle to your dog. Even dogs can't hear all frequencies. Wait until he is asleep and gently blow on the whistle. Your whistle has a nut and screw that adjust the frequency when turned. Continue testing until your dog perks up. You will then know you have reached a frequency he can hear.
Use the dog whistle with varying sequences to train your dog. For example, one long burst can mean "come", while a series of short, staccato bursts might mean "sit". Keep your whistle commands consistent and your dog will always know what you expect of him.
Included
1 x Ultrasonic Dog Whistle