- Adjustable Volume: Easily tailor the sound volume to your dog's needs using the rotating mechanism. This allows your dog to understand your commands more effectively, making training simpler and more efficient. - Durable Brass Material: The whistle features a brass shell that provides durability and a clean design. When not in use, the copper cap covers the whistle body to keep it clean. The exquisite chain attachment adds convenience for easy carrying. - Easy to Use: The whistle includes a brass cover that can be unscrewed for adjustments. Featuring a copper mouthpiece, this whistle is designed for effortless use during training sessions. - Effortless Sound Adjustment: The stainless steel screw sound adjusting lever allows for precise adjustments while training. Rotate the whistle core to modify sound as needed to suit different training scenarios. - High-Frequency Ultrasonic: The whistle emits high-frequency ultrasonic sounds that have a long effective range. This makes it suitable for various training applications, such as teaching your dog to play fetch or respond to commands for mealtime. - Practical Applications: Use this whistle for outdoor training sessions where your dog needs to respond from a distance. It can also be beneficial for teaching recall commands or encouraging specific behaviors while playing or eating. Invest in a training tool that enhances communication with your pet, making the bond between you and your dog even stronger.