If you have lost your physical copy of the instruction booklet, this comprehensive digital manual covers everything you need to know about installation, pairing, and troubleshooting. Technical Specifications

Ensure the blue LED is flashing. If not, check that the 12V power connection is secure and receiving power. Q: The sound is choppy or low quality.

Plug the BT-5908 connector into the CD changer port.

Check the Red and Black wire connections. Ensure the vehicle ignition is turned completely on. Use a multimeter to verify that the red wire is getting 12V of power.

Connect the power wires: Check your car stereo's wiring diagram to identify the and GND (Ground) ports. Position the external microphone for hands-free calling. 4. Verification

Upgrading an older vehicle with modern technology doesn't have to be expensive or complex. The (often listed as JieRui-BT 5908) is a highly popular car Bluetooth 5.0 audio AUX adapter, designed to bridge the gap between smartphone music libraries and older car stereo systems. This device provides a seamless, high-quality audio streaming experience.

Looking to add modern Bluetooth streaming to your car stereo without replacing the entire head unit? The is a compact Bluetooth music module receiver designed for seamless integration into many vehicles (often specifically compatible with VAG - Audi/VW/Skoda/Seat - systems using 12-pin connectors).

Open your favorite music streaming app (e.g., Spotify, Apple Music) and hit play! Troubleshooting and Tips

Understanding the hardware specs helps ensure compatibility with your vehicle's electrical system and your smartphone.

Supports wireless music streaming via AUX-IN. Jie Rui BT-5908 Installation Guide