BLUETOOTH AUX BLUETOOTH ADAPTER FOR RCD 300 310 1. Better replacement choice for RNS 310, replacement for RCD 310 and so on to meet your requirements accurately and better. 2. Match your device to bluetooth and select AUX from the radio, and you will be able to use your device to play music through your car speakers. 3. You can listen to music from your bluetooth enabled device and receive za calls using bluetooth 5.0, get clear sound and stable connection. 4. Adopt Bluetooth 5.0 protocol, backward compatible with 2.0 3.0 4.0 other versions of Bluetooth protocol. Convenient to use, plug and play. 5. Supports common format audio MP3 and WMA, WAV, FLAC and other high quality audio format decoding. 6. It supports high-capacity DSD transmission with stable data transmission and cross-device fidelity, designed for music enthusiasts. Specification: Item Type: adapter microphone Material: ABS Voltage: DC12V Bluetooth: Bluetooth 5.0 Microphone cable length: approx. 150 cm/59 inches (manual measurement will contain errors) Installation: Replacement for RNS 510 Replacement for RNS 310 Replacement for RCD 300 Replacement for RCD 310 Replacement for RCD 510 List of packages: 1 x Car Microphone 1 x AUX Bluetooth Adapter Note: Remember that the first time you use it, you need to use a diagnostic tool to activate it. Find a socket in the car (at the back of the radio). Install directly and connect the power cord. Once the Bluetooth matching is complete, open the AUX module of the host and play the AUX audio to finish playback.