The 3.5 mm Aux audio adapter supports both Bluetooth transmitting and receiving, namely TX and RX Mode.
TX mode: Bluetooth Transmitter connects non-Bluetooth audio sources such as airplanes, TVs to Bluetooth-enabled speakers, headphones via a 3.5 mm (AUX/RCA) cable.
RX mode: Bluetooth receiver receives audio from a smartphone or other Bluetooth source device, then transmits the audio to car/home stereos, headphones via a 3.5 mm AUX cable.
The Bluetooth transmitter adopts the latest Bluetooth 5.4 technology, which can reduce power consumption and provide fast and stable transmission. The playing time of the wireless 3.5 mm Bluetooth transmitter is up to 14 hours in RX mode and up to 11 hours in TX mode. Moreover, in both RX and TX modes, the Aux connector can pair with two Bluetooth devices simultaneously.
Package List: 1 x Bluetooth 5.4 2-in-1 Transmitter & Receiver, 1 x USB Charging Cable, 1 x User Guide