Feature:1. Application: This car audio bluetooth aux adapter is designed for car stereo radio, suitable for RCD310 RCD510 RNS310 RNS315 RNS510.2. Lossless Sound Quality: Bluetooth main control chip and audio digital processing chip are adopted, with no interference and sound quality lossless.3. Plug 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.4. Wide Compatibility: With this Bluetooth adapter, you can hear music from phones, tablets, and MP3s (they should be Bluetooth enabled).5. Stable Transmission: Professional manufacturing, wireless audio adapter cable has high transmission performance, strong reliability, making sure safety use.Specification:Item Type: Car Bluetooth AUX AdapterMaterial: ABSBluetooth Version: 5.0Applicable Model: Fit for RCD310 RCD510 RNS310 RNS315 RNS510.Package List:1 x Car Bluetooth AUX Adapter1 x Microphone