【實用健康app】Ultrasonic Repeller|最夯免費app-綠色工廠好玩App

Everyone knows that ultrasound helps to protect against mosquitoes and other insects, but many people do not know that ultrasound can deter rodents, dogs and even avoid contact with people!Ultrasonic Repeller easy to use, and also it is a free application, you don't need to spend hundreds of dollars for a similar device. You have your iPhone and Ultrasonic Repeller - that's enough!