Usage Tips:features 1Application: This car audio bluetooth aux adapter is designed for car stereo radio, suitable for RCD310 RCD510 RNS310 RNS315 RNS510. 2Lossless Sound Quality: Bluetooth main control chip and audio digital processing chip are adopted, with no interference and sound quality lossless. 3Plug and Play: You can pair your phone with the Bluetooth module., and select Aux from radio, then you can play music through the car speakers with your phone. 4Wide Compatibility: With this Bluetooth adapter, you can hear music from phones, tablets, and MP3s (they should be Bluetooth enabled). 5Stable Transmission: Professional manufacturing, wireless audio adapter cable has high transmission performance, strong reliability, making sure safety use.SpecificationItem Type:CarBluetoothAUXAdapterMaterial: ABSBluetooth Version: 5.0Applicable Model: Fit for RCD310 RCD510 RNS310 RNS315 RNS510 .wang-edit-text{ font-family:'Arial' important; } .wang-edit-text table { border-top: 1px solid 000; border-left: 1px solid 000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000; border-right: 1px solid 000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 xCarBluetoothAUXAdapter1 x Microphone