PD 24W Car Mp3 Player Wireless Bluetooth 5.1 FM Transmitter Modulator Car Kit QC3.0 18W Car Charger Handsfree Audio Player  Function description: & 9679;The Bluetooth audio signal is converted into FM analog signal by this machine and transmitted to the car stereo for playback & 9679;The automatic scanning function can automatically find the best FM frequency, avoid radio programs to the maximum extent, and quickly find clean empty channels for fast frequency matching. & 9679;When answering the call, it will automatically switch from the music playing state to the hands-free mode. & 9679;Built-in noise cancellation algorithm can ensure unimpeded calls in the car. & 9679;Quickly activate Siri / Google Assistant, etc. to realize voice interaction in the car. & 9679;Built-in music rhythm ambient light to add luster to your car & 9679;Equipped with PD 20W and QC3.0 (18W) dual ports, which can provide a full-efficiency fast charging solution & 9679;Yellow LED display & 9679;The large knob design restores the convenient control experience of the original car. & 9679;Detect the voltage of the car battery when starting up & 9679;The power of the whole machine can be turned on/off with one key, and only the charging function is retained. & 9679;With 3.5mm auxiliary output jack, reduce music distortion loss & 9679;Dual transmitter chip, stronger signal stability & 9679;Bluetooth 5.1 high version chip, the compatibility rate is more stable and extensive. Packing list: 1* A Bluetooth transmitter (No Retail Box)