Bluetooth-Compatible 5.3 APTX/HD/LL Audio Adapter 3.5mm AUX/RCA 2 In 1 Wireless Stereo Receiver Transmitter Wireless Audio Dongle for TV Car Speaker. Feature: 1. Versatile 2-in-1 Functionality: The audio adapter seamlessly combines both receiver and transmitter capabilities, offering a wide range of interfaces to meet the diverse audio needs of various devices. 2. High-Fidelity Sound Quality: Experience truly immersive sound with the hifi stereo adapter, which incorporates advanced technology in its carefully designed architecture to deliver professional-grade, lossless audio quality. 3. Upgrade to Wireless Connectivity: Transform your old wired speakers or computer sound systems into modern wireless devices with the wireless audio dongle. 4. Effortless Wireless Experience for Desktops: Upgrade your desktop computer to a wireless haven with the stereo music adapter. 5. Enhanced Night-Time TV Watching: Connect the audio adapter directly to your TV or computer to instantly add Bluetooth-Compatible functionality, allowing you to wirelessly connect Bluetooth-Compatible headphones or speakers.