PD 30W Fast Charging: This Bluetooth car adapter features dual PD 30W and QC3.0 fast charging ports, allowing you to quickly charge two devices simultaneously. Built-in multiple protection functions such as overcurrent, overvoltage, overcharge, overdischarge, overheating, and short circuit, make your use safer and more reliable. Clear Stereo Sound: Our Bluetooth car transmitter is equipped with CVC noise reduction technology and anti-impact sound quality, which significantly improves voice quality by reducing background noise and ensuring your voice is transmitted clearly, allowing you to experience unparalleled call clarity. Bluetooth 5.3 & U-Disk: This Bluetooth car FM transmitter uses a Bluetooth 5.3 chip for faster, more stable, and secure transmission. It provides two connection methods: Bluetooth and U-disk, giving you a more convenient user experience. 7-Color Ambient Light: Available in seven colors, our car stereo FM transmitter makes it easy to find the Bluetooth car adapter in low light or turn off the light for distraction-free driving. Makes night driving easier and safer. Broad Compatibility: This Bluetooth car FM transmitter works with all Bluetooth devices, such as iPads, iPhones, iPods, car recorders, MP3 players, tablets, and Android smartphones. Compatible with 12V-24V cars and trucks.