GBruno Ultrasonic Anti-barking Device Open Box 1D Monoblock Amplifier: Supercharge your

1D Monoblock Amplifier: Supercharge your bass with this powerful amplifier

Bluetooth-enabled – for advanced controls and battery level display on your iPad

as well as Gain Knob to help tune any song to your frequency

Built-In Dual Band Wi-Fi

and tune into AM/FM radio with a range of presets

GBruno Ultrasonic Anti-barking Device Open Box 1D Monoblock Amplifier: Supercharge yourDescription Is your dog's constant barking at visitors driving you crazy? Bring home this Ultrasonic Anti Barking Device and start training your dog right away! Featuring 4 adjustable ultrasonic frequency levels, this device emits sounds that dogs can hear, but will not harm them, effectively stopping unnecessary barking. It is equipped with a long lasting battery, capable of lasting 30 days on standby after a full 5 hour charge. This device is