Features: Plug and Play Wireless A2DP Playback: easily streaming music of Bluetooth devices into factory car stereo system Adopt bluetooth 5.0 protocol, compatible with 2.0 3.0 4.0 other versions of bluetooth protocol Support common MP3 format audio, and also support WMA, WAV, FLAC, and other high-quality audio format decoding, non-general ordinary bluetooth function The data transmission speed between devices is stable and fidelity. This item Work with iPod/iPad/iPhone,Samsung,HTC,Sony,Nokia and any other phones or pads(Pls make sure there is bluetooth function in your phone or pad) Cable length: approx 20cm Note:Control remains on your phone and no text will appear on the radio. (change songs on your phone) Compatibility: Compatible with Sony model: CDX-M770 CDX-M800 CDX-M850MP CDX-M8800 CDX-M8810 CDX-M8815X CDX-M9900 CDX-M9905X Usage: 1. Connect the two wires to power 12V and pair the bluetooth with your phone 2. Choose AUX in your radio, you can play music from the phone in your car. Package included: 1 X BLUETOOTH ADAPTER