New ultrasonic insect repellent for dogs. 【Zero Chemicals x Silent Protection】 Ultrasonic support collar designed with dogs' insect repellent in mind. Supports stress-free pest prevention for your dog with ultrasonic technology that is drug-free, odorless, and silent. Since it does not use chemicals, it is safe for pets with sensitive skin. 【Ultrasonic Support Function】 Designed to emit an invisible ultrasonic barrier around your dog with unique frequency adjustment technology. The ultrasonic insect repellent technology helps create an environment where pests are less likely to approach during walks and relaxing times at home. 【Beautiful Design x Comfortable Wear】 The lightweight combination of silicone and ABS resin is gentle on the skin and comfortable to wear for long periods. It also functions as a stylish accessory that integrates with your dog's collar. 【USB Charging x Easy Operation】 No need for troublesome battery replacement! After a full charge via USB, it can be used continuously for up to 24 hours. The LED indicator intuitively informs you of the charging status and operating mode. 【Adjustable Function for All Dog Breeds】 The adjustable band fits perfectly on collars, leashes, harnesses, etc. The dog gear to be attached supports a wide range of sizes, from small to large dogs. Easy to attach and detach, and easy to clean.