Listen to your favourite tunes without messy cables using the Alluratek optical audio receiver and transmitter. It uses Bluetooth 5 technology to stream music in to your home audio system or transmit audio to your Bluetooth headset. You can even connect two Bluetooth headphones and stream audio simultaneously for up to 15 hours on a full charge. | Aluratek Universal Bluetooth Optical Audio Receiver & Transmitter (ABCD54F)