A wireless headset. It offers compact dimensions and complete freedom of movement. Thanks to its features it is ideal for singers, sports instructors or various presentations. The transmitter is equipped with a simple and adjustable ear attachment system. The multifunction button hides Mute and Volume control functions. The AR2 receiver has an aluminum construction and is moisture resistant. The device has a built-in switch between microphone or line output and an LED to indicate battery, RF, or system activity. Both the receiver and the transmitter are powered by a rechargeable lithium-ion battery with up to 6 hours operating time at the transmitter or 7 - 8 hours at the receiver.