Description: Material: Car bluetooth module with Mic is made of high quality copper material, sturdy and durable, has good performance. Suitable: Auto aux adapter is suitable for all kinds of car models with rear mounted CD players and the audio with AUX IN female connector on the rear of the car. Features: Car bluetooth audio cable can be plugged in with the RCA male connector to realize Bluetooth music. If a call comes, you can answer the call with clear sound effects. Quality: This aux in wire connector adapter is professionally manufactured, has stable performance, and has a long service life. Replacement : Directly replaces your worn, cracked, broken and unusable radio stereo aux cable adapter. Specification: Voltage: 5-12V Size Chart: Total length 22.6cm/8.90inch Terminal 2.9cmx5.1cm/1.14inchx2.01inch Wire length 17.5cm/6.89inch Package Includes: 1 Audio Receiver with Microphone Note: Please allow slightly errors due to manual measurement and different monitors.