Intelligent Identification of Sound WavesThe rechargeable anti-barking collar features a one-of-a-kind sensor that incorporates the latest technology in vibration detection, as the collar must be able to distinguish between the sound of barking and external noise. A dog barking next to you will not trigger the collar, nor will the dog's pushing and head movements. Painless Training of Your DogThe sound and vibration collar can effectively reduce your dog's barking without causing pain or distress. Using progressive sound and vibration stimulation with 7-level sensitivity settings and sleep mode helps prevent and control your dog's barking. You can rest assured that these scarf-free human collars are 100% safe for your beloved friend! Easy Operation, Effective Anti-BarkingThe digital tube displays the vibration, sound and sensitivity reports. Always press the corresponding function of the button, and then you can adjust the gear. Other anti-barking collars cannot display the gear that is difficult to adjust. Rechargeable and SafeFCC/CE/ROSH certified rechargeable battery, solve the problem of frequent battery replacement within 14 days. Waterproof in the rain, but not in water. Adjustable non-slip collar (round length 8.46~23.82 inches) with 2 reflective strips, suitable for mini/small/medium/large/giant dogs, easy to find your dog even in low-light environment. Durable and ComfortableThe sensor and vibration device are made of sturdy and durable plastic, and the collar comes with a comfortable adjustable nylon strap. It has a beautiful new bone design on it, which will make your dog more adorable!