Specification
1.Bluetooth hands-free calling; Bluetooth version 5.0 FM transmission frequency: 87.5~108Mhz, stereo Bluetooth and FM transmission technology 2.Support USB/TF card/audio head/Bluetooth connection; U disk 5.0 lossless music, support reading and playing lossless music in MP3/FLAC/WAV/APE format in U disk 3.Cigarette lighter power supply: DC12V-24V voltage power supply; one key to call the mobile phone voice assistant 4.USB port with charging function USBA (QC3.0) 18W 5.Voltage detection, high-definition digital display, displaying the transmission frequency 6.Automatic power off memory functionx 7.Support MP3 format music; key switch