Soundshield - 24/7 Ultrasonic Technology Against Ticks & Fleas (one Supplied)

Soundshield™ is a device that uses ultrasonic waves to deter ticks and fleas without chemicals, effective for up to 30 minutes underwater.

• The description claims the product is effective for up to 30 minutes underwater.
• The description claims the product uses ultrasonic waves to deter ticks and fleas.
• The description claims the product is safe for all ages of dogs, including puppies, pregnant dogs, and those with health issues.