Còi thổi huấn luyện chó sóng siêu âm bằng thép không gỉ

------This product is on sale, if you are interested in this product, please do not hesitate to order from us. This is a good time❤️!------ Decription: Features: Type:Whistle Material:Stainless Steel Length:5.3cm Quantity:1 pc Tips for training: 1. Keep your whistle commands consistent and your dog will always know what you expect of him. 2. The dog's behavior according to your instruction need to be trained. Such as, at meal time, blow on the whistle before they get the food. 3. Use whistle with varying sequences to train dog. 4. Never be mean to praise your dog. Notice: Due to the different monitor and light effect,the actual color maybe a slight different from the picture color. Please allow 0.5-1cm differs due to manual measurement. Included: 1 x Whistle