SKU: 50095283620

HKM-8911421 Ultrasonic Adjustable Dog Training Whistle for Bark Control and Recall

Sale price$47.69 Regular price$52.99
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Description

HKM-8911421 Ultrasonic Adjustable Dog Training Whistle for Bark Control and RecallIntroducing the HKM 8911421 Ultrasonic Adjustable Dog Training Whistle, a cutting edge tool designed for effective bark control and reliable recall for your canine companion. This metallic dog flute boasts a sleek design and is crafted from high quality brass electroplated nickel, ensuring durability without compromising on style. Weighing just 12 grams, its easy to carry and handle during training sessions. What sets this ultrasonic whistle apart

Introducing the HKM-8911421 Ultrasonic Adjustable Dog Training Whistle, a cutting-edge tool designed for effective bark control and reliable recall for your canine companion. This metallic dog flute boasts a sleek design and is crafted from high-quality brass electroplated nickel, ensuring durability without compromising on style. Weighing just 12 grams, it’s easy to carry and handle during training sessions.

What sets this ultrasonic whistle apart from a regular one is its unique ability to emit sound in the ultrasound range. This means it can travel long distances without interference from external noises, making it ideal for training your dog even when there are distractions. While humans may not perceive the sound, dogs can hear these ultrasonic waves distinctly, enabling them to receive clear and precise commands.

One important aspect to consider is that dogs require training to respond to the whistle effectively. Initially, they might not instinctively know that the sound signifies returning to their owner, but with patience and practice, they will learn to associate the sound with the desired behavior.

The HKM-8911421 also features an adjustable volume. By simply rotating the adjustment tube and changing the position of the nut, you can customize the pitch to suit your dog’s preferences. This flexibility allows you to find the perfect tone that resonates best with your pet, making training sessions more effective and enjoyable for both of you.

Whether you are looking to enhance your dog’s recall abilities or encourage better bark control, the HKM-8911421 Ultrasonic Adjustable Dog Training Whistle is an essential tool for every dog owner committed to building a strong training foundation.

Product name

Ultrasonic Adjustable Dog Flute

Product color Metallic

Applicable object Whole dog breed

Product material

Brass electroplated nickel

Product weight 12G

What's the difference between this and a regular whistle?

The sound blown by the dog flute belongs to ultrasound, which has a long propagation distance and is not disturbed by external sounds, which is very suitable for long-distance recall of dogs.

The sound of the dog whistle is not very loud, can the dog hear it?

Ultrasound is beyond the range of the human ear, so only the tubular sound of the dog's whistle can be heard. But the dog's ear can receive ultrasonic waves, and for dogs, it can receive bright and accurate instructions.

The dog doesn't respond when it hears it. What's going on?

Dogs are not born knowing how to play the dog whistle to return to their owners, which requires training.

Can I adjust the sound volume?

The size of the space in the rotating adjustment tube can be adjusted by adjusting the position of the nut to adjust the pitch of the sound, so as to achieve the purpose of adjusting the volume. Each dog has its own pitch, choose the pitch that the dog likes to use for training half the work, twice the effect.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 50095283620

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PilarC
Grantham, US
★★★★★ 3
Inconsistent
Color: Cooling Blue Cover, Size: Queen (Pack of 2)
Ive ordered two different batches of these pillows, the first was a 2 pack, the second batch was a 4 pack. The pillows that came in the 2 pack have a different quality to them. The memory foam feels thicker, takes long to depress and to spring back to form. It offers more resistance, a heavier odor (at the start), and was the pillow that I fell in love with. Things changed when I ordered the 4 pack a couple months later. There was an inconsistency between the foam in these two different batches. both sets of pillows are comfortable. The first batch being firmer means I had to remove more foam before it became comfortable but the 2nd batch being more springy, I was able to keep all the foam inside. I docked a couple stars because I’m not able to provide a consistent experience with these pillows across all three beds in my home. If you need a pillow, order a set and be happy. If you want a bunch of memory foam pillows throughout your house, maybe look elsewhere as these may not all be identical.
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Reviewed in the United States on January 17, 2026
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Mari
Boise, US
★★★★★ 5
Very cool and comfortable pillows. Great value.
Color: Cooling Blue Cover, Size: Queen (Pack of 2)
These pillows are everything described on the site. They do retain shape and don’t flatten out after sleeping all night. They are nice and clean looking and comfortable. The fit on my king size bed is perfect cause I prefer the size to king size. Haven’t had to wash them yet but I have had other pillows with the same material inside and the wash ability is great.
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Reviewed in the United States on May 17, 2026
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Joe
Whiting, US
★★★★★ 5
Great pillow
Color: Cooling Blue Cover, Size: Queen (Pack of 2)
The pillows feel great. Being able to remove portions of the interior allowed me and my wife to have a perfect fit. They do stay cool which seems to have helped with my restlessness.
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Reviewed in the United States on May 12, 2026
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PublicMe
Lowell, US
★★★★★ 5
Really Happy With These Pillows!
Color: Blue, Size: Queen(2 Pack)-20'*30'
**Review: Really Happy With These Pillows!** I purchased these pillows and couldn’t be happier! First – they’re cool on *both* sides—finally! I’m not sure why that’s so rare (probably to cut costs), but these actually have cooling material on both sides, and it works really well. Second – the venting around the center helps keep them from getting hot at night. A nice touch that makes a difference for hot sleepers. However, the third feature is the best: the filling. Like many adjustable pillows, you can add or remove the fill, and these come with a small extra bag. The base amount was just right for most people. I had to remove some for my wife but added a bit more to mine. The fill itself is excellent—soft but supportive. You sink into it, but don’t hit bottom. These pillows also have a good weight to them, so they don’t feel cheap. They fluff up great and seem very well made. I followed the recommended dryer run when I first received them and had no odor issues at all. Highly recommend!
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Reviewed in the United States on August 25, 2025
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Steve Texas
West Palm Beach, US
★★★★★ 5
Awesome Pillows
Color: Blue, Size: King(2 Pack)-20'*36'
AWESOME, they actually stay cool!!! Extra foam to firm and great instructions how to remove foam and make softer. Fantastic product
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Reviewed in the United States on April 16, 2026

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