Additional wireless headset (without transmitter) for home use with the RS 165 full system. Closed-around ear headset for digital wireless transmission with high-quality sound and a selectable bass boost for vibrant sound. Requires full system with transmitter (rs 165). Ideal for two people listening to the same tv programme or piece of music remotely, who prefer different volume levels. Leatherette ear pieces. Adjustable headband. Carry case. AAA battery (included) . Manufacturers 2 year guarantee.