【QC3.0 Rapid Charging】: Benefit from QC3.0 charging with this Bluetooth car adapter, powering devices four times faster and ensuring continuous connectivity for both driver and passengers.【Hi-Fi Sound with Custom Controls】Dive into high-fidelity audio with unique treble and bass adjustments. The FM Transmitter, a crucial part of your hands-free car kit, lets you fine-tune your music experience, enhancing audio quality while syncing colors with beats for a vibrant ambiance.【Convenient Rotatable LED Screen】Stay informed with the 1.38" LED screen, showcasing call info, FM channels, music tracks, and car battery voltage. Its 180° rotation ensures optimal viewing, making hands-free operation smoother during drives.【Advanced Bluetooth 5.0】Experience superior music streaming with the latest Bluetooth 5.0 chip, ensuring a faster, more stable connection. This USB Bluetooth adapter for cars seamlessly reconnects to the last paired device, enhancing call quality with an optimized antenna.【Enhanced Hands-Free & Navigation Features】Handle calls effortlessly with the noise-cancelling microphone, employing CVC8.0 and DSP for clearer calls. The easy-to-use MFB button supports various call functions, and navigation prompts from your apps are broadcasted clearly, integrating with Siri/Google Assistant for smart, voice-activated control.