New F4 Car Mp3 Bluetooth Speaker With Colorful Breathing Light Qc3.1 USB Drive Music PD Fast Charging Dual Port Factory

Product dimensions: 3.85*7.5*9cm, product net weight: 30g Product gross weight45g packaging size: 133*41*64MM Packing specifications: Color box packaging 100/box, dimensions: 46*22*34.5, net weight 5.04KG, gross weight 5.55KG Color box packaging 200/box: 46*43*34.5 cm, net weight 10.08KG, gross weight 10.91KG Bluetooth hands-free calling USB/PD port with charging function 3.1A 2: Echo and noise cancellation during calls; 3: Stereo Bluetooth and FM transmission technology; 4: Supports USB/TF card/Bluetooth functions; 5: Supports MP3/WMA format music; 6: Automatic power-off memory function; 7: Powered by cigarette lighter: DC12V-24V voltage power supply; 8: Bluetooth version 5.0 FM transmission frequency: 87.5~108Mhz 9. Car Voltage Detection 10. The panel shell features a colorful ambient light display How to use a car MP3 player: 1. Turn on the radio in the car and set it to an idle frequency (i.e., a frequency with no local broadcasts) 2. Plug this product into the car's cigarette lighter socket and set the product frequency to match the frequency of the radio you just used 3. Insert the memory card or USB drive containing the downloaded songs into the device, or use the phone's Bluetooth to search for the product and configure the Bluetooth settings 4. This way, the machine can automatically play music from the memory card, USB drive, or phone