2-in-1 Aux Bluetooth AdapterThis Bluetooth transmitter receiver has two modes to use. In the Transmitter(TX) mode, the Bluetooth transmitter can convert TV/PC/CD player/iPod/MP3/MP4(without Bluetooth functionality ) into a Bluetooth transmitter uses a 3.5mm (AUX/RCA) cable. In the Receiver(RX) mode, the Bluetooth receiver can transmit audio from the smartphone to wired speakers/car audio input ports/headphones by receiving Bluetooth from the smartphone.Low Latency & High Fidelity AudioOur Bluetooth transmitter receiver has premium low latency chip and Bluetooth 5.0 tech, and adopts the latest CVC8.0 Noise Cancellation and Digital Signal Processor (DSP) technologies, which can eliminate echo and block out intrusive background noise, providing you with high fidelity audio sounds.LCD Visual ScreenPortable Bluetooth aux adapter adopts unique visual screen design, will show whether the product is in TX mode or RX mode. It is convenient to choose the Bluetooth devices to connect (up to 8 nearby devices). And this visible bluetooth adapter for pc can also show the paring mode/status, battery, volume, etc.Wide CompatibilityThe Bluetooth car adapter without installing any external driver, can be compatible with most devices on the market, such as TV, car stereos, home stereos, headphones, audio music streaming systems, speakers, PCs, MP3, and other devices. Enjoy the silence. Benefit from Bluetooth adapter for pc when exercising, watching Late night TV shows, or simply when your family or partner, and others want to sleep, this aux Bluetooth adapter can help you very well.Warm Tips - When your Bluetooth can not connect to your device, please pay attention to the following aspects of the operation is correct: 1. whether the Bluetooth transmitter and the device is in the pairing state. 2. whether there are other Paired devices in the receiving range. 3. whether the Bluetooth receiver power is sufficient.