A great value wireless in ear monitor perfect for studio or on-stage monitoring. Complete with transmitter receiver and in ear headphones this monitor has an impressive range of 40m and a battery life of up to 30 hours with 6 changeable frequency channels for clear and uninterrupted wireless audio. This package allows for 2 performers to listen to the same mix at any one time making it great for bands.Suitable for using a maximum of three systems at the same time.