Hands Free Call & Voice Navigation: Built-in microphone, answer/ hang up/ reject/ call back all with one key. Automatically switch from music playing state to handsfree mode when answering calls, seamless switching between incoming calls and music. Noise suppression (CVC) and echo cancellation technology provide you with clear calls. With the Blue tooth FM transmisor, you can get clear voice navigation from your phone app, which means driving will be safer | LED Backlight & Dual USB Car Charger: With 7 colors breathing atmosphere lights, you can use it easily even in the dark, making your driving safer. Equipped with 2 USB ports, the total power is 48W (USB C 30W + USB A 18W), and you can quickly charge two devices simultaneously. The Type-C port can fast charge the iPhone from 0 to 50% in 30 minutes, and the QC 3.0 port can fast charge the phone from 0% to 60% in 35 minutes | Music Playing: Adjust the car radio frequency and MP3 player frequency to the same, and then you can transfer music from the Bluetooth device & microsd card to the car stereo system to enjoy the car stereo music streaming. It will automatically connect to its memorized paired Bluetooth device when powered on. In the frequency range of 87.5 MHz - 108.0 MHz, you can get a more stable and smooth music experience without interference | Wide Compatibility: The wireless radio adapter is compatible with iPhone, iPad, iPod, Android Samsung galaxy tab cell phone tablet, MOTO, TCL, Google Pixel and other Bluetooth enabled mobile devices. The 48W car charger is perfect for 12V-24V vehicle cigarette lighter socket | Intelligent Protection & Voltage Detection: Built in over-current protection, over-voltage protection, overcharge protection, intelligent temperature control, short circuit protection, effectively ensure safe charging. The FM transmitter can detect and temporarily display the car battery voltage for a few seconds after power on, allowing you to easily monitor the health status of the car battery