【2-in-1 Bluetooth Transmitter and Receiver】This receiver transmitter adapter has two modes. In TX mode, the Bluetooth transmitter is plugged into non-Bluetooth devices, such as TV, computer, ipod, TV box, MP3/MP4, CD/DVD player, through the AUX/RCA jack, and transmits audio to the Bluetooth headset/speaker; in RX In mode, the bluetooth receiver can be connected to wired speaker/car audio input port and receive audio from smartphone/tablet via bluetooth.
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