1、Sound Transmit: Built‑in noise removal circuit, top sound quality. Port on the CD changer port of the radio. Support mobile phone charging. 2、Bluetooth Version: Support connect two Bluetooth devices at the same time. Bluetooth version: Bluetooth 5.0 with EDR is supported. 3、Bluetooth Handsfree: This module allows the connect an external audio source, function via bluetooth enabled devices. Support Bluetooth audio and phone calling handsfree. 4、Easy Operation: Just plug the 12pin connector into the socket back of your radio, match your phone or pad to bluetooth module, and choose Aux from your radio. 5、Music Play: You can use your phone to play music through car speakers. You can hear music from your phone/pad/mp3(They should have blueooth function). 6、Application: This is an AUX in adapter for 5000 CD, 6000 CD, 6006 CDC and also CDX‑F214 factory fitted CD/radio head units. According to the original design, durable and not easy to damage.