By connecting Bluetooth devices such as mobile phones, the original car audio system can play a massive amount of lossless music or audio. Supports playing lossless music files including APE, FLAC, WAV, WMA, MP3 formats, supports panel switching of folders and tracks, and supports a large capacity of 128GB. Learn to answer/hang up calls and other operations through the original car host or steering wheel buttons, using the original car speaker and accompanying microphone to achieve hands-free communication while driving Support external AUX connection to external audio sources such as I POD, MP3, Mobile phones and tablets. Product Features 1.Original car high fidelity sound quality Using Bluetooth 5.0 chip and independent operational amplifier circuit, dedicated line output to the audio system, eliminating interference and sound quality loss, with high resolution. 2.Steering wheel control Support original car protocol, control song selection/fast forward/rewind/stop and phone answering/hanging up through steering wheel and audio host panel, convenient and safe operation. 3.Plug and play lossless installation Directly insert into the disc box interface of the original car audio system, simple and fast, perfectly integrated with the original car. Press the CD or AUX button to switch to the disc box function. 4.user-friendly design Onboard start, automatic connection, Bluetooth call priority (such as when listening to a CD, Bluetooth function will be activated first for incoming calls, and the CD will continue to play after the call is completed), without affecting each other. Color: As Shown Material: ABS Package Contents: 1*car Bluetooth module Only the above package content, other products are not included. Note: Light reflection 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.