Product Description 1.Transmitter Mode (TX): Wirelessly transfer audio from your non-Bluetooth TV, home stereo system, or CD player to your Bluetooth headphones or speakers. 2.PC Audio Transmitter Mode: Wirelessly transfer audio from the PC, notebook to Bluetooth headset or speaker through USB port, no audio cable is required. 3.Receiver Mode (RX): Wirelessly transfer audio from your Bluetooth-enabled phone, tablet, or computer toyour wired stereo, speakers, or headphones. This portable, lightweight wireless audio transmitter and receiver is the ideal wireless audio solution for every situation and application, and can be used with computers, mobile phones, televisions, home speakers, and car speakers. Use the latest Bluetooth 5.0 technology, fast transmission speed, high-quality stereo music, enjoy the convenience of Bluetooth technology for life.