Bluetooth audio transmitter Marmitek BoomBoom 50 to transmit sound from your existing equipment (eg TV, audio system, PC, laptop), to Bluetooth speakers or headphones. - Uses advanced match technology - Provides excellent sound quality - Ideal for people with hearing problems. Listen to the TV again clearly - Bluetooth range: Up to 10 meters with class 2 receiver, up to 30 meters with class 1 receiver