General description This Blue Rechargeable Anti-Bark Collar is designed to effectively train dogs of all sizes, from small to large. It features two safe operating modes—vibration and sound—that help to deter excessive barking without harming your pet. The collar intelligently filters out unrelated sounds, ensuring that only your dog's barking activates the device. Technical specifications Modes: 2 (Vibration and Sound) Sensitivity Levels: 7 (default level 4) Neck Circumference: 22-55 cm Weight Compatibility: Dogs weighing 5-50 kg Battery: Built-in USB rechargeable, fully charged in 2-3 hours Usage Time: Up to 15 days Waterproof Rating: IP67 Installation Adjust the collar strap to fit your dog's neck circumference (22-55 cm). Ensure the collar is securely fastened but comfortable for your dog. Usage Activate the collar and select the desired sensitivity level using the +/- buttons. Test the collar by blowing or shouting into the sensor microphone to ensure it responds only to your