KAIY Bluetooth Receiver for Home Stereo, RCA Bluetooth Adapter for Old Receiver with 3D Surround, Low Latency 3.5mm Audio Adapter for Old Speakers/Vintage Stereo, Support TF Card Play MusicAbout this itemCD-QUALITY WIRELESS AUDIO: Experience rich, crystal-clear sound that brings your music to life. This Bluetooth adapter for old receiver supports high-resolution audio streaming with low background noise and distortion, delivering a full dynamic range for a true Hi-Fi experience. The advanced one-touch 3D mode enhances stereo separation and depth, making you feel like you're in the room with the artists.PLUG-AND-PLAY SIMPLICITY: Get connected in seconds with our easy, no-hassle setup. Simply plug in the Bluetooth audio receiver to your sound system using the simultaneous RCA and 3.5mm AUX outputs, pair with your device, and start streaming immediately.MUSIC PLAYBACK CENTER: This Bluetooth receiver for speakers supports two music playback modes: ①Bluetooth Mode, which allows you to stream directly from your phone, tablet, or laptop. ②TF Card Playback: Play audio directly from TF cards.WHOLE-HOME & COMMERCIAL AUDIO: Transform any space with wireless audio! This versatile Bluetooth adapter for stereo receiver works perfectly in gyms, schools, classrooms, houses of worship, restaurants, retail stores, and commercial background music systems. Easily add high-quality wireless capabilities to speakers with RCA (red/white) or 3.5mm AUX jacks.EXTENDED WIRELESS RANGE & STABLE CONNECTION: Enjoy maximum flexibility with extended-range wireless streaming that maintains a stable connection up to 33 feet. Move freely throughout your space without worrying about dropouts or interruptions, thanks to reliable Bluetooth technology.IMPORTANT USAGE NOTES: This device functions solely as a receiver (not compatible with TVs or Bluetooth headphones). Requires USB power (AC adapter not included). Perfect for wired speakers, stereos, and car audio systems with RCA/3.5mm inputs.