【實用工具app】Dog Whistle Pro - Train Your Dog|最夯免費app-綠色工廠好玩App

Train and take control over your dog to obey commands and for following and retrieving instruction nicely by using this simple dog whistle application. Set a variety of frequency sounds through the easy user interface. Features:•Variable frequency tone generator•Frequency level meter•User friendly interface•Share option available•Sophisticated technology in a simple applicationTo get a general overview on dog whistles, the following is a useful Wikipedia link: http://en.wikipedia.org/wiki/Dog_whistleCAUTION: Sounds can’t be heard hear at the highest frequencies.Support:help.pocketbooks@gmail.com