Sophisticated Design: The 2-in-1 design is not just a bluetooth receiver or a bluetooth transmitter, it is a dual-purpose transmitter/receiver, making your life smarter. and this 2 in 1 bluetooth audio transmitter receiver can be used for almost all audio system devices with 3.5mm auxiliary jack input/output. The convenient and compact design makes your sound system look smooth and beautiful without taking up your extra space. | USB Powered Easy to USE: Plug and Play, Simply plug it into the 3.5mm aux jack and power it through the USB port, and you're ready to go the perfect wireless audio solution. One-click sliding design, you can easily switch the transmit/receive mode to solve your various usage needs. At the same time, you can easily answer/cancel/end a call/play/pause through the button, making it convenient and fast for you to use. | Superior Performance Design: Equipped with the latest Bluetooth V5.0+EDR chip and high-definition audio technology, our wireless bluetooth audio receiver transmitter can provide 10M more stable and fast connection to the device, and low latency to ensure excellent stereo sound. Automatic reconnection and dual connection, which can automatically connect to the last used device, and pair up to 2 devices at the same time, making music sharing easier. | Super Compatibility: Our bluetooth stereo adapter transmitter is compatible with almost all audio devices on the market. For example: in transmitter mode, you can let your TV, computer, projector and other devices easily transmit audio to bluetooth headphones, bluetooth speakers, etc. In receiver mode, you can connect your music from your Bluetooth-enabled phone tablet device to your speakers, car or home stereo, allowing you to experience wireless music life with ease. | Reliable Quality: The upgraded version of the bluetooth aux receiver adapter has an internal ground loop isolator, eliminating the common ground loop noise problem that plagues most receiver. So you'll no longer hear hiss and hum when you're enjoying your music. At the same time we provide 365 days warranty service. If you have any questions, please feel free to contact us, we will provide you with a fast and enthusiastic solution in the first time.