Pet Dog Training Supplies Obedience Adjustable UltraSonic

The whistle is portable in size and weight the end have a annulus to suspend simple to storage. Remove anti-loss tight grip cover comfortable to hold. Metal material whistle high hardness anti-rust no odor.Features:Portable in size and weight convenient to carry and use.The end have a annulus to suspend easy to carry and storage.Remove anti-loss tight grip cover comfortable to hold.Metal material whistle high hardness anti-rust no odor.Adjustable volume ultrasonic long transmission distance.Specifications:Material: Lastics + MetalColor: Black White Pink Red Green Orange Blue Purple (optional)Package Weight: 15g / 0.53ouncesPackage Size: 80 * 9 * 9mm / 3.15 * 0.35 * 0.35inPacking List:1 * Whistle