Function via Bluetooth-enabled devices; No functional limitations of the car radio; Allows you to connect an external audio sourceIt is possible from your smartphone to your car stereo to stream; Pair your phone with our bluetooth module,and choose Aux from your radio. You can enjoy music from your phone through car speakers.Match your phone or pad mp3 to bluetooth module.and Choose Aux from your radio, then you can use your phone to play music through car speakers.Bluetooth 5.0 version, and compatible with 2.0 3.0 4.0 5.0 other versions of Bluetooth, can support the commonly used MP3 format audio, but also support the WMA WAV FLAC, and other high-quality audio format decoding, can support DSD large capacity transmission.Applicable models:For Pioneer with 2RCA Audio PortFor Alpine with 2RCA Audio PortFor Kenwood with 2RCA Audio PortIt is suitable for various after-installed DC players, such as Alpine, Pioneer, Clarion and other navigators. The original car is equipped with an AUX IN lotus female head speaker, which can be inserted opposite to the RCA male head to achieve Bluetooth music.Type:Car Wireless Receiver adapterProduct voltage: 5-12VMicrophone cable length: 1.5 metersRange: 5-10mAdapter Module Length: 23cmUniversal most of vehicle.High-quility, stable characteristics, high reliability.colour: blackMaterial: PlasticPackage Contents:6 x Car bluetooth module6 x MicphoneOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.