PD 30W & QC 3.0 18W Fast ChargingThis car bluetooth adapter supports dual-port simultaneous charging (PD 30W + QC 3.0 18W), 4 times faster than standard chargers. Equipped with over-current, over-voltage, overload, over-temperature and short-circuit protection functions, it ensures safe charging on the go! Stylish & Unique Splicing DesignThis Bluetooth car transmitter is distinguished by its combination of materials, combining an aluminum alloy upper part for increased robustness, corrosion resistance and longevity. Its lower part in semi-transparent ABS plastic allows a glimpse of the high-precision internal components, giving a modern and high-tech appearance to the whole. Immerse yourself in the captivating world of industrial design! Bluetooth 5.3 & Built-in MicrophoneThe latest Bluetooth 5.3 technology provides a stable wireless connection, enabling smoother, low-latency audio streaming . With a high-quality microphone, this Bluetooth hands-free car kit allows you to make hands-free calls without distracting background noise. Plus, it streams voice navigation from your phone apps for easier driving.