Bluetooth Audio Receiver and Adapter – Upgrade Any Wired Audio System to Wireless Transform your favorite wired audio equipment into a modern wireless sound system without replacing your existing gear. This Bluetooth audio receiver offers broad compatibility and quality performance, making it the solution for enhancing vintage and modern setups alike. Key Features and Benefits: 1. Wireless Upgrade for Wired Devices Connects to stereo receivers, wired speakers, amplifiers, car audio systems, and more. Dual interface design with 3.5mm AUX and RCA (red and white) ports supports 99% of wired audio devices. Enables wireless music streaming from smartphones, tablets, and laptops to nonBluetooth systems. 2. Enhanced 3D Surround Sound Unique onetouch 3D sound mode adds depth, clarity, and spatial separation to audio. Produces richer bass, crisper highs, and more detailed instruments for a cinematic, immersive listening experience. Ideal for music, movies, and gaming audio. 3. RCA Compatibility for Vintage Systems RCA connection ensures signal transfer without quality loss. for classic hifi systems, amplifiers, and traditional home stereo setups. Simple plugandplay design allows quick integration with older audio gear while maintaining authentic sound quality. 4. Universal AUX Connectivity 3.5mm AUX jack supports use with car stereos, desktop speakers, and compact portable speakers. Practical allinone adapter for both home and mobile use. Eliminate cable clutter and stream wirelessly while driving, in the office, or at home. 5. Dual Playback Modes with Bluetooth 5.3 Bluetooth 5.3 wireless streaming provides a reliable connection up to 33 feet, with minimal interference and dropouts. TF card mode lets you play MP3 and WAV files directly from a microSD card (up to 32 GB) without a separate device. Autoreconnect function pairs instantly with your last connected device. 6. Practical Applications Home audio: Upgrade living room stereos or bedroom speakers with wireless capabilities. Vehicle audio: Add Bluetooth to cars equipped only with AUX input. Professional and commercial environments: Ideal for gyms, retail spaces, restaurants, churches, offices, and other locations requiring convenient wireless audio. Specifications: Interfaces: RCA stereo input, 3.5mm AUX input Wireless standard: Bluetooth 5.3 Playback options: Bluetooth streaming, TF card direct playback (MP3/WAV, up to 32 GB) Wireless range: Up to 33 feet Autoreconnect: Yes Compact design suitable for desktop or portable use With this Bluetooth audio receiver, you can enjoy the convenience of wireless streaming while keeping the audio systems you know and love. Whether at home, at work, or on the go, you gain reliable connectivity, richer sound, and modern performance without compromise.