Give Bluetooth to Non-Wireless Devices, Stream Audio to Bluetooth Components, Receive Audio from Mobile Devices, Transmit from up to 300' Away, Qualcomm aptX Low Latency Technology, Transmit to 2 Devices with Dual Stream, Connect via 3.5mm AUX, RCA, or Optical, Cables Included for All Connector Types, Built-In Battery - No Outlet Needed, Up to 13 Hours of Use per Charge. With the Universal Bluetooth Optical Audio Receiver/Transmitter from Aluratek you get an all-in-one wireless audio solution that can add Bluetooth functionality to devices and components that do not have it built in. Give your TV the ability to transmit audio wirelessly to Bluetooth headphones or speakers. Have speakers and audio systems play streaming audio from a Bluetooth mobile device such as a smartphone or tablet. This receiver/transmitter hooks up to your device's audio inputs and outputs via 3.5mm AUX RCA or optical S/PIDIF connections. Cables for each connector type are included so you can be up and running right out of the box.