The Halo Car-Mounted Device Integrates An MP3 Player, FM Radio Reception, Bluetooth 5.0 Audio Transmission, Supports QC3.0 Dual-Port Fast Charging, Has Intelligent Memory Of The Last Playback Point, And Uses Dual-Mode Anti-Interference Chips To Achieve CD-Level Sound Quality. The Cigarette Lighter Direct Insertion Design Is Compatible With 99% Of Vehicle Models, And Comes With An LED Voltage Monitoring Display Screen(Please Check The Details Carefully Before Making The Purchase..).