Dual Fast Charging Ports As a car charger, it provides 18W USB-A QC3.0 and 30W USB-C PD fast charging options. Charge your phone, smartwatch, or tablet simultaneously from 0% to 80% in approximately 30 minutes while driving or running errands. Built-in smart circuits protect your devices from overcurrent, short circuits, overheating, and overcharging.Bluetooth 5.3 & High-Fidelity Audio Equipped with Bluetooth 5.3 technology, this device delivers stable connectivity and faster pairing with a wide range of devices. Enjoy seamless audio transmission with minimal dropouts and reduced audio delays. Stream high-quality music wirelessly from any Bluetooth-enabled device to your car's sound system, even in older vehicles.Compact & Durable Metal Design This car adapter features a compact, one-piece design that fits neatly into the vehicles 12V power outlet, helping to save dashboard space. Constructed from durable zinc alloy, it offers improved heat dissipation and long-term durability compared to plastic models.Hands-Free Calling The built-in high-sensitivity microphone, combined with CVC noise cancellation technology, helps reduce background noise during calls. Answer or end calls with a simple button press for a convenient and safer hands-free experience.Enhance Your Driving Experience Monitor your vehicles voltage with real-time display. The LED ring light provides visibility in low-light conditions and adds a subtle accent to your cars interior. The FM transmitter allows audio from your phoneincluding navigation prompts and voice assistantto be played through your car speakers, upgrading the functionality of older vehicles.