Features 1、Wide Application: Replacement for RCD110, replacement for RCD210, replacement for RCD310, replacement for RNS 310, etc. 2、Function: Extend your existing radio with wireless music reception, direct audio streaming from smartphone, tablet, for You Tube, for Spotify etc. 3、High Performance: Stable connection is via AUX input, automatically pairing set up in a minute, more faster and convenient. 4、10m Play: The wireless music playback from up to 10m/32.8ft away possible, not restricted by distance any more. 5、Perfect Match: Professional manufacturing according to the original design, durable and not easy to damage. Specification Item Type: AUX IN Bluetooth Module Material: ABS Bluetooth Version: Bluetooth 5.0 Supported Bluetooth Configuration: For A2DP Plug: 12pin, for Quadlock plugs Fitment: Replacement for RCD110 Replacement for RCD210 Replacement for RCD310 Replacement for RNS 310 Replacement for RNS 510 Replacement for RCD 510 Package List 1 x AUX IN Bluetooth Module