Sound Box for Dogtra Remote Trainers Version 2To begin, simply pair your Dogtra handheld transmitter with the SOUNDBOX2. Once paired, the SOUND BOX2 will make a beeping sound when the stimulation is applied and held down, becoming louder quieter as the stimulation level goes up down. The SOUNDBOX2 efficiently teaches students the level and duration of stimulation needed in different scenarios that the dog may come across. This compact and valuable training tool will be a great addition to your