A. Advanced Bluetooth 5.4 Technology: Experience sound with Bluetooth receiver, featuring Bluetooth 5.4 for transmission delays and enhanced connection stability. Enjoy an audio experience with up to 100ft range, suitable for daily use in your vehicle. B. Enhanced Call Clarity: Equipped with dual microphones and CVC8.0 noise cancellation technology, this car adapter captures your voice from directions, ensuring clear communication. The built-in filter IC reduces road noise and other distractions, making your calls clearer. C. Effortless Setup: This plug-and-play Bluetooth car adapter connects via the 3.5mm auxiliary jack and is powered through a USB port. It automatically pairs with your phone when you start your car and supports simultaneous pairing of two devices for flexible usage. D. Convenient Multifunction Control: Navigate your music and calls safely with the multifunction button. Adjust volume, skip tracks, answer or end calls, and even redial with a single button. The integrated LED light enhances visibility in low-light conditions. Color: As Shown Material: plastic Package Contents: 1 * Bluetooth receiver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.