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. Audio Receiver Type-C Dual Output Interface Wireless Audio Receiver Bluetooth-Compatible Multifunctional DC 5V for TV PC Speaker Specification: Model Number: Wireless Adapter Input voltage: DC 5V Interface type: AUX+RCA Bluetooth-Compatible: 5.3 Bluetooth-Compatible protocol: A2DP AVRCP Transmission distance: obstacle free 10 meters/32.8ft Music format: MP3/APE/FLAC/WAV/WMA Product size: 83 x 56 x 25mm/3.27 x 2.2 x 0.98inch Color: Black material: plastic Package Contents: 1 x Bluetooth Receiver Transmitter 1 x USB Cable 1 x English manual 1 x AUX Audio Cable 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.