Catozon Portable USB Bluetooth Audio Music Streaming Receiver Adapter with 3.5 mm Stereo Output Black The Catozon Bluetooth music receiver is highly cost-effective wireless stereo audio receiver. Let ordinary speakers instantly become wireless Bluetooth stereo audio music speakers Can be paired to any bluetooth enabled devices, such as mobile phone, laptops, speaker and Bluetooth audio transmitter. You can listen to music from your mobile phone without the cables. Simple operation, normal speaker become hands-free Bluetooth speaker magically, portable for vehicle mounted systems. It is designed for home AV systems, home stereos, headphones, automobile or motorcycle speakers, boats, RVS and more.