Dog Bark Collar - Vibration Magnetic Charging Waterproof Smart Barking DetectionThis anti bark collar is designed to support bark management using vibration and tone functions only. It is suitable for small, medium, and large dogs and is intended for supervised training use. The collar uses sound based detection to respond only to your dogs bark within a defined range, helping reduce activation from background noise or other dogs. Sensitivity and vibration levels can be adjusted to suit different environments and dog sizes. The