Whistle Sound Ultrasonic Adjustable Pet Dog Training Whistleslong5.5cmwidth0.8cm High quality The dog whistle is made entirely of brass with a chrome coating. The Dog Training Whistle is sturdy and durable with a long service life. The rope is 100% polyester, wear-resistant and not easy to break. Easy to carryThis training whistle is about 5.30.6cm and can be put in your pocket. This dog whistle is lightweight (only 13g) and equipped with a ring at the end and comes with a lanyard to hang it with keys or hang it around the neck. It can be used with a rope and with the key ring you can remove the whistle from the neck strap at any time. so it is easy to carry, not easy to lose. Professional Adjustable Ultrasonic WhistleThis dog training whistle can emit sounds of different frequencies by turning the screw for dogs of all ages and breeds. Our whistle emits ultrasound, which only dogs can hear, your instructions go through the loud sound and reach your pet clearly. Suitable for
