Description: Support bluetooth music/TF card/U disk playback, Bluetooth hands-free call, compatible with various music APP 3.0 inch LED screen can display the frequency point, song number and working status information, the operation is clear at a glance, and the size of the music sound can be controlled by the rotary encoder. support folder switching playback function, song classification playback Power-off memory, every time the product is powered off and restarted, the system will automatically connect to bluetooth, or automatically remember the FM frequency and the songs in TF. when you restart the device, the product will continue to play the current song Charging function, the device dual USB charging, the USB interface of reading U disk 1A charging, and the other USB interface QC3.0 fast charging, compatible with mobile phones that support fast charging. support charging while listening to songs Noise cancellation function, built-in noise cancellation circuit, make the call sound clearer, car navigation information broadcast, compatible with various navigation software. one-key answering, convenient operation, suitable for all kinds of vehicles. Specification: Screen Display: LCD Input Voltage: DC12-24V Output Voltage: 5V0.3V Output Current: 3.1A(MAX) 2USB Power Consumption: 0.5W Operating Temperature: -10-70 Operating Voltage: 12-24V Size Chart: Size: 71.5x41mm / 2.81x1.61inch Package Includes: 1 Piece Bluetooth FM Transmitter 1 Piece English Manual Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement.