Firmly lock the cigarette lighter port, no fear of turbulence Built-in high-performance decoding module, with Bluetooth 5.0 transmission, make the sound quality more clear Car navigation voice broadcast function Plug and play, support U disk/TF card playback Specifications: Rated working voltage: DC12V-24V Working voltage limit: 9-26V USB1 output: 5V / 3.1A USB2 output: 5V/1.0A, read USB flash memory music Working temperature: 0-50℃ Support playback format: MP3 BT version: 5.0 + EDR Bluetooth sound processing: A2DP (Advanced Audio Distribution Profile) Bluetooth transmission distance: 10M Bluetooth microphone effective range: 0.5-2M FM transmission frequency: 87.5-108Mhz Package included: 1X Car Bluetooth 5.0 MP3 Player 1X User Manual