A spare or replacement SWING Headset Receiver for the Infralight SWING IR systems.
The stethoscope headset style has an under chin Receiver with its own volume, tone and balance controls independent from the sound source of the sound.
Recharging the receiver battery is by placing it onto the charging cradle. You can also purchase an extra battery which can charged in the side charging pod. A fully charged battery should last approximately 7 hours.