Item Type:BluetoothCar Adapter Material: ABS+Metal .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } Frequency Response:20Hz-15Khz FMTransmitting Frequency: 87.5-108mHZ BluetoothVersion: 5.0 Transmission Distance:5-10m Working Voltage:12-24V USB Output:QC3.0 Audio Format:MP3 / WMA / FIAC / MAV Function: Hands-free answering, navigation broadcasting, atmosphere light 7+1 colors, 3.1A+ Type C Charging, U disk play, bluetooth 5.0 HD sound quality,EQ Music style conversion Characteristic: Double USB3.1A fast charging battery voltage detection Support bluetooth music USB disk playback, support Bluetooth hands-free calls Color LED screen, can display frequency, song serial number and working status information Support folder switching playback function, song classification playback Support memory function when power is off Two mobile phones can be charged at the same time and can be charged while listening to music Noise cancellation function, built-in noise cancellation circuit, make the call sound clearer