[Bluetooth Transmitter Receiver]This aux to bluetooth adapter can be used as both a transmitter and receiver, enabling seamless audio streaming from your TV, phone, or CD player to your Bluetooth headphone, speaker, AirPods or car stereo. Bluetooth transmitter for home stereo, bluetooth for cars without bluetooth. [Universal Compatibility]Headphone jack bluetooth transmitter 3.5mm bluetooth aux input/output jack, this device can connect to a wide range of audio devices, including old and TVs, car audio systems, speakers PlayStations, and projectors; [Plug and Play]With its simple plug-and-play design, this bluetooth receiver for aux input is easy to use. Simply plug it into your device's auxiliary port, connect your Bluetooth device, and enjoy wireless audio streaming. [Auto Reconnection]Bluetooth aux adapter for car can automatically pair with the last connected phone after powered on. Bluetooth 5.3 Music Audio Receiver will enter pairing mode if the Bluetooth of the last phone is unsearchable. [Intelligent Noise Reduction Tech]Our Bluetooth audio receiver adapter the latest CVC8.0 Noise Cancellation and Digital Signal Processor (DSP) technologies, which can eliminate echo and block out intrusive background noise (such as wind, traffic, or crowds), providing you with crystal-clear calling sounds. Colour:black Material:plastic Package Contents: 1 * Bluetooth Audio Adapter 1 * USB Cable 1 * Audio Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.