Main Features:
• Support FM full frequency point 87.5MHz - 108MHz
• Automatic power off memory channel
• USB1 + USB2 total 2.4A 
• Support LCD color screen display
• Support U disk, TF card music player
• Support Bluetooth answering, rejecting, hanging up, redialing and other functions
• Private call
• Support audio input
• Support voice assistant function
• Support for selecting folder to play
• Real-time battery voltage detection

Specifications:
Material: metal + pc
Rated working voltage 12V - 24V
Extreme working voltage 9 - 32V
USB1 output 5V / 2.4A
USB2 output
Working temperature: less than 60 degrees
Music format MP3, WAV
Support U disk, TF card capacity 1GB - 32GB
Bluetooth version 4.2 + EDR
FM transmission frequency 87.5MHz - 108 MHz
Call effective distance 0.5 - 2M 
Bluetooth effective distance is less than 10M
LCD resolution 128 x 160