This adapter includes: Dual modes: TX (transmitter) and RX (receiver). Bluetooth 5.0 technology for fast and stable transmission. 3.5mm AUX jack for universal connectivity. Built-in battery with ...

【2-IN-1 BLUETOOTH TRANSMITTER RECEIVER】 In TX mode, plug the Bluetooth transmitter into non-Bluetooth devices such as TV/PC/MP3/Airplane to transmit the audio to the Bluetooth headphone ...