Using this ProCo wireless in - ear monitoring system is a breeze. First, connect the transmitter to your audio source. Then, turn on the bodypack receiver and pair it with the transmitter. Put on the in - ear monitors and enjoy high - quality sound. When not in use, store the system in the included case to protect it. Make sure to keep the system away from water and extreme temperatures. Regularly check the battery levels of the transmitter and receiver and replace the batteries when needed. This will help keep your system working great for a long time.