Check the listing for details. 3-IN-1 Bluetooth Receiver & Transmitter Wireless RCA to 3.5mm Aux Audio Adapter. Condition: New. Listed at 14.09 USD. 【Bluetooth Receiver for Home Stereo】Our M2R Bluetooth receiver is the perfect Bluetooth adapter for stereo receivers. It allows you to stream music from your phone/tablet/laptop directly to your home stereo/old speakers/car stereo/projector. Whether you have a modern or old setup, it is the ideal Bluetooth adapter for old stereos. This product is a receiver only, not a transmitter 【Bluetooth 5.4】This Bluetooth music receiver utilizes the latest Bluetooth 5.4 technology to deliver superior sound quality. You get an excellent listening experience with crystal clear, high fidelity music that fills the room with sound 【Dual USB Interface Design】The front panel is equipped with two USB interfaces. The left USB supports USB flash drive playback, while the right USB is designed for charging digit.