XINGDONGCHI USB Bluetooth Wireless Audio Music Receiver Adapter w/ 3.5mm Stereo Output for Headphones Portable Speakers and Car Stereo Systems - Black Makes any stereo a Bluetooth sound system capable of wirelessly playing music from your mobile, iPhone, PC, MP3 player Mini and portable bluetooth music receiver with 3.5mm audio cable. Standard 3.5mm plugs, compatible with any car stereo or speaker with 3.5mm audio jack. Up to 10M/32.8ft transmission distance, enjoy music freely anytime, anywhere without the bound of wire. Fantastic sound quality and easy to pair and connect.