Features 1. Convenient to use: Bluetooth Compatible 5.3 audio receiver, USB music player, wired audio second to Bluetooth Compatible audio. 2. Interface type: Dual output interface design, 3.5+RCA dual audio port suitable for multiple devices. 3. Audio receiver: Upgrade Bluetooth Compatible audio, and audio without Bluetooth Compatible function can also achieve wireless playback. 4. Multipurpose: Insert into the car's AUX port, connect wirelessly to listen to music using Bluetooth Compatible on your phone, and make the car's audio system high. 5. Portable: TYPE-C 5V power supply, built-in common ground interference processing circuit, ensuring stable sound quality output. Type:Music Wireless Audio Adapter Color:black Size:83x56x25mm Material:PC Bluetooth version: Bluetooth V5.3 Bluetooth protocol: A2DP AVRCP Input voltage: DC 5V Iinterface type:AUX+RCA Transmission distance: Barrier-free 10 meters Music Format:MP3/APE/FLAC/WAV/WMA Package include:1pc Music Wireless Audio Adapter Note: 1.Please be reminded that due lighting effects, monitor's brightness/contrast settings etc, there could be some slight differences in the colour tone of the website's photo and the actual item. 2. Item Measure by hand, it could be 1cm different,your kind understanding will be much appreciated.