2Pcs Silver Adjustable Ultrasonic Dog Whistle, Portable Whistle Pet Whistle Supersonic Whistle Dog Whistles for Pet Training, Training and Behavior Aids, Dog Whistle Training

DUAL PACK: Set includes 2 premium silver ultrasonic dog whistles for training multiple dogs or having a backup whistle ready ADJUSTABLE FREQUENCY: Features customizable pitch settings to find the most effective training frequency for your specific dog breed PORTABLE DESIGN: Compact and lightweight whistles with included neck lanyard for easy carrying during walks and training sessions ULTRASONIC TECHNOLOGY: Silent to human ears while producing clear, consistent frequencies that dogs can hear from a considerable distance VERSATILE USE: Ideal for basic obedience training, behavior modification, recall training, and general pet communication