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Effective protection against ticks and fleas
The BugBlocker Ultrasonic Collar from FellFreund offers your pet reliable protection from ticks, fleas, and other parasites – completely chemical-free.
By using modern ultrasonic technology, pests are effectively deterred, while your dog or cat enjoys the highest wearing comfort.

Chemical-free ultrasonic technology
Unlike conventional repellents, the BugBlocker collar uses high-frequency ultrasonic waves (19.5–135 kHz) to disturb and ward off parasites.
The collar works purely physically, making it completely safe for humans and animals – no side effects, no toxic substances.
Practical & User-Friendly Application
Weighing only 9g, the collar is extremely light and comfortable to wear.
The two operating modes with red and blue lights also increase your pet's visibility at night and offer additional safety during walks in the dark.
The range is up to 10m outdoors and 80m² indoors.

Eco-friendly & rechargeable
Thanks to USB charging with a durable 100 mAh lithium battery, the collar offers a sustainable solution for the protection of your pet.
Easy handling, combined with a long battery life, makes the BugBlocker collar the perfect choice for responsible pet owners.
We'll help you with your questions
No, the BugBlocker Ultrasonic Collar is not completely waterproof.
However, it is splash-proof and can withstand light rain.
For optimal longevity, it should not be submerged in water.
The integrated 100 mAh lithium battery lasts approximately 5–7 days per charge, depending on usage.
A full charge takes about 1 hour via USB.
No, the emitted ultrasonic frequencies are not audible to humans and pets.
However, they disturb ticks, fleas, and other parasites, causing them to avoid the animal.
Yes, the collar is suitable for any collar and can be attached with the included carabiner hook.
