Features: 1.High Compatibility: Bluetooth audio adapter cable is suitable for vehicles with for Pioneer with 2RCA Audio Port, for Alpine with 2RCA Audio Port and for Kenwood with 2RCA Audio Port. 2.Easy to Use: Just match your phone, pad or mp3 with bluetooth module, then choose AUX in your car radio, and you can listen to music from your device with bluetooth function via car speakers. 3.Bluetooth Protocol: The bluetooth 2RCA AUX adapter adopts Bluetooth 5.0 protocol, backward compatible with 2.0 3.0 4.0 5.0 other versions of Bluetooth protocol, deliver stable linkage. 4.Applicable Format: The bluetooth AUX module 2RCA cable supports MP3 audio format, WMA, WAV FLAC format and other audio formats, also support DSD large capacity transmission. 5.High Performance: Wireless 2RCA AUX in cable functions through bluetooth enabled devices, no functional limitations of the car radio and allows you to connect an external audio source. Specification: Item Type: Bluetooth 2RCA AUX IN Adapter Material: ABS Bluetooth: 5.0 Application: Compatible with the following vehicle configurations: For Pioneer with 2RCA Audio Port For Alpine with 2RCA Audio Port For Kenwood with 2RCA Audio Port PackageList: 1 x Bluetooth 2RCA AUX IN Adapter 1 x Microphone